Petković, Zdravka

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orcid::0000-0002-5607-387X
  • Petković, Zdravka (5)
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Author's Bibliography

Influence of the year on the productivity of alternative cereal spelt on degrade soil

Ikanović, Jela; Popović, Vera; Rajić, Zoran; Petković, Zdravka; Živanović, Ljubiša; Kolarić, Ljubiša; Zejak, Dejan; Rakaščan, Nikola

(Bijeljina : Bijeljina Univerzitet, 2022)

TY  - CONF
AU  - Ikanović, Jela
AU  - Popović, Vera
AU  - Rajić, Zoran
AU  - Petković, Zdravka
AU  - Živanović, Ljubiša
AU  - Kolarić, Ljubiša
AU  - Zejak, Dejan
AU  - Rakaščan, Nikola
PY  - 2022
UR  - http://fiver.ifvcns.rs/handle/123456789/3183
AB  - In the last forty years, about 30% of agricultural soil has undergone degradation processes, especially in developed countries. There are attempts to repair or recultivate degraded soils, but the results both in the world and in our country are mostly symbolic. Spelt achieves good results on degraded soil. It is more and more cultivated, because spelled grain has a high protein content, up to 25%, more proline, tyrosine, glutamic and aspartic acids, lipids and unsaturated fatty acids from common wheat. It is resistant to low temperatures, diseases and pests and suitable for organic production. The paper presents the results of two-year tests on the spelt productivity grown on degraded soil. The average value for grain yield in the examined years was 3.951±0.53 t/ha. The Nirvana variety had a statistically significantly higher grain yield in 2020 (4.40±0.10 t/ha) compared to 2021 (3.50±0.30 t/ha). Positive and very strong correlations were found between grain yield and volumetric mass (r=0.97*) and a strong positive correlation between yield and mass of 1000 grains (r=0.67*).
PB  - Bijeljina : Bijeljina Univerzitet
C3  - Book of Abstracts, 5th International Scientific Conference "Village and Agriculture", 30 September - 1 October 2022, Bijeljina, Republic of Srpska, BiH
T1  - Influence of the year on the productivity of alternative cereal spelt on degrade soil
EP  - 12
SP  - 12
UR  - https://hdl.handle.net/21.15107/rcub_fiver_3183
ER  - 
@conference{
author = "Ikanović, Jela and Popović, Vera and Rajić, Zoran and Petković, Zdravka and Živanović, Ljubiša and Kolarić, Ljubiša and Zejak, Dejan and Rakaščan, Nikola",
year = "2022",
abstract = "In the last forty years, about 30% of agricultural soil has undergone degradation processes, especially in developed countries. There are attempts to repair or recultivate degraded soils, but the results both in the world and in our country are mostly symbolic. Spelt achieves good results on degraded soil. It is more and more cultivated, because spelled grain has a high protein content, up to 25%, more proline, tyrosine, glutamic and aspartic acids, lipids and unsaturated fatty acids from common wheat. It is resistant to low temperatures, diseases and pests and suitable for organic production. The paper presents the results of two-year tests on the spelt productivity grown on degraded soil. The average value for grain yield in the examined years was 3.951±0.53 t/ha. The Nirvana variety had a statistically significantly higher grain yield in 2020 (4.40±0.10 t/ha) compared to 2021 (3.50±0.30 t/ha). Positive and very strong correlations were found between grain yield and volumetric mass (r=0.97*) and a strong positive correlation between yield and mass of 1000 grains (r=0.67*).",
publisher = "Bijeljina : Bijeljina Univerzitet",
journal = "Book of Abstracts, 5th International Scientific Conference "Village and Agriculture", 30 September - 1 October 2022, Bijeljina, Republic of Srpska, BiH",
title = "Influence of the year on the productivity of alternative cereal spelt on degrade soil",
pages = "12-12",
url = "https://hdl.handle.net/21.15107/rcub_fiver_3183"
}
Ikanović, J., Popović, V., Rajić, Z., Petković, Z., Živanović, L., Kolarić, L., Zejak, D.,& Rakaščan, N.. (2022). Influence of the year on the productivity of alternative cereal spelt on degrade soil. in Book of Abstracts, 5th International Scientific Conference "Village and Agriculture", 30 September - 1 October 2022, Bijeljina, Republic of Srpska, BiH
Bijeljina : Bijeljina Univerzitet., 12-12.
https://hdl.handle.net/21.15107/rcub_fiver_3183
Ikanović J, Popović V, Rajić Z, Petković Z, Živanović L, Kolarić L, Zejak D, Rakaščan N. Influence of the year on the productivity of alternative cereal spelt on degrade soil. in Book of Abstracts, 5th International Scientific Conference "Village and Agriculture", 30 September - 1 October 2022, Bijeljina, Republic of Srpska, BiH. 2022;:12-12.
https://hdl.handle.net/21.15107/rcub_fiver_3183 .
Ikanović, Jela, Popović, Vera, Rajić, Zoran, Petković, Zdravka, Živanović, Ljubiša, Kolarić, Ljubiša, Zejak, Dejan, Rakaščan, Nikola, "Influence of the year on the productivity of alternative cereal spelt on degrade soil" in Book of Abstracts, 5th International Scientific Conference "Village and Agriculture", 30 September - 1 October 2022, Bijeljina, Republic of Srpska, BiH (2022):12-12,
https://hdl.handle.net/21.15107/rcub_fiver_3183 .

Cereals as energy sources in the function of circular economy

Dražić, Nikola; Rakascan, Nikola; Radojević, Vuk; Popović, Vera; Ignjatov, Maja; Popović, Dragana; Ikanović, Jela; Petković, Zdravka

(Podgorica : University of Montenegro, Biotechnical Faculty, 2021)

TY  - JOUR
AU  - Dražić, Nikola
AU  - Rakascan, Nikola
AU  - Radojević, Vuk
AU  - Popović, Vera
AU  - Ignjatov, Maja
AU  - Popović, Dragana
AU  - Ikanović, Jela
AU  - Petković, Zdravka
PY  - 2021
UR  - http://fiver.ifvcns.rs/handle/123456789/2428
AB  - The circular economy is an approach that integrates the economy, the waste management system and protects the environment. The goal of the circular economy is to optimize the existing system and increase welfare. The growth trend of alternative fuels is evident in the world from year to year, thanks to the development of new technologies for processing biological waste into energy sources. Commercial production needs to be economically and environmentally friendly so that biofuels from renewable sources are an adequate substitute for fossil fuels. In this study, two winter grains, wheat and rye, were examined, during 2018/2019 and 2019/2020, in order to obtain biogas from plant biomass. The results showed that wheat had a statistically significantly higher production of biomass and biogas compared to rye. Based on the analysis of variance, it can be concluded that there are highly significant differences in biomass yield in regard to the genotype (Fexp=937.75**) and years (Fexp=28.07**) of investigation. There is a strong positive correlation between biomass and biogas yields.
PB  - Podgorica : University of Montenegro, Biotechnical Faculty
T2  - Agriculture and Forestry
T1  - Cereals as energy sources in the function of circular economy
EP  - 18
IS  - 3
SP  - 7
VL  - 67
DO  - 10.17707/AgricultForest.67.3.01
ER  - 
@article{
author = "Dražić, Nikola and Rakascan, Nikola and Radojević, Vuk and Popović, Vera and Ignjatov, Maja and Popović, Dragana and Ikanović, Jela and Petković, Zdravka",
year = "2021",
abstract = "The circular economy is an approach that integrates the economy, the waste management system and protects the environment. The goal of the circular economy is to optimize the existing system and increase welfare. The growth trend of alternative fuels is evident in the world from year to year, thanks to the development of new technologies for processing biological waste into energy sources. Commercial production needs to be economically and environmentally friendly so that biofuels from renewable sources are an adequate substitute for fossil fuels. In this study, two winter grains, wheat and rye, were examined, during 2018/2019 and 2019/2020, in order to obtain biogas from plant biomass. The results showed that wheat had a statistically significantly higher production of biomass and biogas compared to rye. Based on the analysis of variance, it can be concluded that there are highly significant differences in biomass yield in regard to the genotype (Fexp=937.75**) and years (Fexp=28.07**) of investigation. There is a strong positive correlation between biomass and biogas yields.",
publisher = "Podgorica : University of Montenegro, Biotechnical Faculty",
journal = "Agriculture and Forestry",
title = "Cereals as energy sources in the function of circular economy",
pages = "18-7",
number = "3",
volume = "67",
doi = "10.17707/AgricultForest.67.3.01"
}
Dražić, N., Rakascan, N., Radojević, V., Popović, V., Ignjatov, M., Popović, D., Ikanović, J.,& Petković, Z.. (2021). Cereals as energy sources in the function of circular economy. in Agriculture and Forestry
Podgorica : University of Montenegro, Biotechnical Faculty., 67(3), 7-18.
https://doi.org/10.17707/AgricultForest.67.3.01
Dražić N, Rakascan N, Radojević V, Popović V, Ignjatov M, Popović D, Ikanović J, Petković Z. Cereals as energy sources in the function of circular economy. in Agriculture and Forestry. 2021;67(3):7-18.
doi:10.17707/AgricultForest.67.3.01 .
Dražić, Nikola, Rakascan, Nikola, Radojević, Vuk, Popović, Vera, Ignjatov, Maja, Popović, Dragana, Ikanović, Jela, Petković, Zdravka, "Cereals as energy sources in the function of circular economy" in Agriculture and Forestry, 67, no. 3 (2021):7-18,
https://doi.org/10.17707/AgricultForest.67.3.01 . .
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Ekonomski značaj šafranjike i uticaj genotipa na produkciju biomase

Ikanović, Jela; Popović, Vera; Rakaščan, Nikola; Ljubičić, Nataša; Dražić, Gordana; Aćimić Remiković, Milena; Petković, Zdravka

(Novi Sad : Univerzitet u Novom Sadu, Tehnološki fakultet, 2021)

TY  - CONF
AU  - Ikanović, Jela
AU  - Popović, Vera
AU  - Rakaščan, Nikola
AU  - Ljubičić, Nataša
AU  - Dražić, Gordana
AU  - Aćimić Remiković, Milena
AU  - Petković, Zdravka
PY  - 2021
UR  - http://fiver.ifvcns.rs/handle/123456789/3123
AB  - Šafranjika pripada porodici glavočika (familia Asteraceae). Celokupna nadzemna generativna i vegetativna biomasa sorti najnovije generacije, može se upotrebiti na različite načine. U radu su ispitivani su parametri produktuvnosti dva genotipa šafranjike i mogućnost njihove upotrebe. Rezultati su pokazali da su utvrđene statistički značajne razlike u prinosima biomase, masi 1000 zrna i zapreminskoj masi u zavisnosti od genotipa (p<0,05). Prosečni prinosi bili su statistički veoma značajno veći u sorte šafranjike S-20 (4,43 t/ha) u odnosu na sortu Nutrasaff (4,20 t/ha). Prinos biomase bio je u pozitivnoj statistički visoko značajnoj korelaciji sa masom 1000 zrna (0,94**) i u pozitivnoj statistički značajnoj korelaciji sa zapreminskom masom (0,67*). U uslovima sve više izraženih globalnih klimatskih promena šafranjika može postati vrlo značajna ratarska biljka.
AB  - Safflower belongs to the family Asteraceae. The entire overhead generative and vegetative biomass varieties the latest generations, can be used in a variety of ways. The productivity parameters of two saffron genotypes and were investigated the possibility of their use. The results showed that statistically significant differences in biomass yields were found, mass of 1000 grains and volumetric mass depending on genotype (p<0.05). Average yields were statistically very significantly higher in saffron varieties S-20 (4.43 t / ha) compared to the Nutrasaff variety (4.20 t / ha). Biomass yield was positive statistically highly significant correlation with the mass of 1000 grains (0.94 **) and in a positive statistically significant correlation with volumetric mass (0.67 *). In the conditions of increasingly pronounced global climate changes saffron can become a very important crop
PB  - Novi Sad : Univerzitet u Novom Sadu, Tehnološki fakultet
PB  - Novi Sad : Institut za ratarstvo i povrtarstvo
PB  - Novi Sad : Industrijsko bilje
C3  - Zbornik radova, 62. Savetovanje industrije ulja "Proizvodnja i prerada uljarica", Herceg Novi, Crna Gora, 27. jun - 2. jul 2021.
T1  - Ekonomski značaj šafranjike i uticaj genotipa na produkciju biomase
T1  - The economic importance of safflower and the influence of genotype on biomass production
EP  - 178
SP  - 169
UR  - https://hdl.handle.net/21.15107/rcub_fiver_3123
ER  - 
@conference{
author = "Ikanović, Jela and Popović, Vera and Rakaščan, Nikola and Ljubičić, Nataša and Dražić, Gordana and Aćimić Remiković, Milena and Petković, Zdravka",
year = "2021",
abstract = "Šafranjika pripada porodici glavočika (familia Asteraceae). Celokupna nadzemna generativna i vegetativna biomasa sorti najnovije generacije, može se upotrebiti na različite načine. U radu su ispitivani su parametri produktuvnosti dva genotipa šafranjike i mogućnost njihove upotrebe. Rezultati su pokazali da su utvrđene statistički značajne razlike u prinosima biomase, masi 1000 zrna i zapreminskoj masi u zavisnosti od genotipa (p<0,05). Prosečni prinosi bili su statistički veoma značajno veći u sorte šafranjike S-20 (4,43 t/ha) u odnosu na sortu Nutrasaff (4,20 t/ha). Prinos biomase bio je u pozitivnoj statistički visoko značajnoj korelaciji sa masom 1000 zrna (0,94**) i u pozitivnoj statistički značajnoj korelaciji sa zapreminskom masom (0,67*). U uslovima sve više izraženih globalnih klimatskih promena šafranjika može postati vrlo značajna ratarska biljka., Safflower belongs to the family Asteraceae. The entire overhead generative and vegetative biomass varieties the latest generations, can be used in a variety of ways. The productivity parameters of two saffron genotypes and were investigated the possibility of their use. The results showed that statistically significant differences in biomass yields were found, mass of 1000 grains and volumetric mass depending on genotype (p<0.05). Average yields were statistically very significantly higher in saffron varieties S-20 (4.43 t / ha) compared to the Nutrasaff variety (4.20 t / ha). Biomass yield was positive statistically highly significant correlation with the mass of 1000 grains (0.94 **) and in a positive statistically significant correlation with volumetric mass (0.67 *). In the conditions of increasingly pronounced global climate changes saffron can become a very important crop",
publisher = "Novi Sad : Univerzitet u Novom Sadu, Tehnološki fakultet, Novi Sad : Institut za ratarstvo i povrtarstvo, Novi Sad : Industrijsko bilje",
journal = "Zbornik radova, 62. Savetovanje industrije ulja "Proizvodnja i prerada uljarica", Herceg Novi, Crna Gora, 27. jun - 2. jul 2021.",
title = "Ekonomski značaj šafranjike i uticaj genotipa na produkciju biomase, The economic importance of safflower and the influence of genotype on biomass production",
pages = "178-169",
url = "https://hdl.handle.net/21.15107/rcub_fiver_3123"
}
Ikanović, J., Popović, V., Rakaščan, N., Ljubičić, N., Dražić, G., Aćimić Remiković, M.,& Petković, Z.. (2021). Ekonomski značaj šafranjike i uticaj genotipa na produkciju biomase. in Zbornik radova, 62. Savetovanje industrije ulja "Proizvodnja i prerada uljarica", Herceg Novi, Crna Gora, 27. jun - 2. jul 2021.
Novi Sad : Univerzitet u Novom Sadu, Tehnološki fakultet., 169-178.
https://hdl.handle.net/21.15107/rcub_fiver_3123
Ikanović J, Popović V, Rakaščan N, Ljubičić N, Dražić G, Aćimić Remiković M, Petković Z. Ekonomski značaj šafranjike i uticaj genotipa na produkciju biomase. in Zbornik radova, 62. Savetovanje industrije ulja "Proizvodnja i prerada uljarica", Herceg Novi, Crna Gora, 27. jun - 2. jul 2021.. 2021;:169-178.
https://hdl.handle.net/21.15107/rcub_fiver_3123 .
Ikanović, Jela, Popović, Vera, Rakaščan, Nikola, Ljubičić, Nataša, Dražić, Gordana, Aćimić Remiković, Milena, Petković, Zdravka, "Ekonomski značaj šafranjike i uticaj genotipa na produkciju biomase" in Zbornik radova, 62. Savetovanje industrije ulja "Proizvodnja i prerada uljarica", Herceg Novi, Crna Gora, 27. jun - 2. jul 2021. (2021):169-178,
https://hdl.handle.net/21.15107/rcub_fiver_3123 .

Analysis of soybean production and biogas yield to improve eco-marketing and circular economy

Milanović, Tijana; Popović, Vera; Vučković, Savo; Rakaščan, Nikola; Popović, Slobodan; Petković, Zdravka

(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2020)

TY  - JOUR
AU  - Milanović, Tijana
AU  - Popović, Vera
AU  - Vučković, Savo
AU  - Rakaščan, Nikola
AU  - Popović, Slobodan
AU  - Petković, Zdravka
PY  - 2020
UR  - http://fiver.ifvcns.rs/handle/123456789/1986
AB  - In the study attempts to analyze soybean production and possibility obtaining biogas from soybean biomass, in order to obtain energy inputs into the profit function and realized a circular economy. This paper presents the results of five-year studies of soybean production analysis in the world and in Serbia, and was also examined soybeans morphoproductive characteristics and on the biogas yield, of the Favorit variety, produced in Pančevo, Serbia. Serbia has excellent conditions for soybeans production. The maximum soybean biomass yield of soybean variety Favorit was 5 t ha-1. The average biogas yield, for tested five years, was 368 m3ha-1. The biogas yield was in positive statistically significant correlations on the plant height (r=0.65*) and in positive correlations with biomass yield. Soybean cultivar with their characteristics justify the sowing and can be used as a raw material in bio-fuels production.
PB  - Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt
T2  - Ekonomika poljoprivrede
T1  - Analysis of soybean production and biogas yield to improve eco-marketing and circular economy
EP  - 156
IS  - 1
SP  - 141
VL  - 67
DO  - 10.5937/ekoPolj2001141M
ER  - 
@article{
author = "Milanović, Tijana and Popović, Vera and Vučković, Savo and Rakaščan, Nikola and Popović, Slobodan and Petković, Zdravka",
year = "2020",
abstract = "In the study attempts to analyze soybean production and possibility obtaining biogas from soybean biomass, in order to obtain energy inputs into the profit function and realized a circular economy. This paper presents the results of five-year studies of soybean production analysis in the world and in Serbia, and was also examined soybeans morphoproductive characteristics and on the biogas yield, of the Favorit variety, produced in Pančevo, Serbia. Serbia has excellent conditions for soybeans production. The maximum soybean biomass yield of soybean variety Favorit was 5 t ha-1. The average biogas yield, for tested five years, was 368 m3ha-1. The biogas yield was in positive statistically significant correlations on the plant height (r=0.65*) and in positive correlations with biomass yield. Soybean cultivar with their characteristics justify the sowing and can be used as a raw material in bio-fuels production.",
publisher = "Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt",
journal = "Ekonomika poljoprivrede",
title = "Analysis of soybean production and biogas yield to improve eco-marketing and circular economy",
pages = "156-141",
number = "1",
volume = "67",
doi = "10.5937/ekoPolj2001141M"
}
Milanović, T., Popović, V., Vučković, S., Rakaščan, N., Popović, S.,& Petković, Z.. (2020). Analysis of soybean production and biogas yield to improve eco-marketing and circular economy. in Ekonomika poljoprivrede
Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt., 67(1), 141-156.
https://doi.org/10.5937/ekoPolj2001141M
Milanović T, Popović V, Vučković S, Rakaščan N, Popović S, Petković Z. Analysis of soybean production and biogas yield to improve eco-marketing and circular economy. in Ekonomika poljoprivrede. 2020;67(1):141-156.
doi:10.5937/ekoPolj2001141M .
Milanović, Tijana, Popović, Vera, Vučković, Savo, Rakaščan, Nikola, Popović, Slobodan, Petković, Zdravka, "Analysis of soybean production and biogas yield to improve eco-marketing and circular economy" in Ekonomika poljoprivrede, 67, no. 1 (2020):141-156,
https://doi.org/10.5937/ekoPolj2001141M . .
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4

Economic analysis of wheat production and applied marketing management

Dončić, Dalibor; Popović, Vera; Lakić, Željko; Popović, Dragana; Petković, Zdravka

(University of Montenegro, 2019)

TY  - JOUR
AU  - Dončić, Dalibor
AU  - Popović, Vera
AU  - Lakić, Željko
AU  - Popović, Dragana
AU  - Petković, Zdravka
PY  - 2019
UR  - http://fiver.ifvcns.rs/handle/123456789/1942
AB  - Wheat is, in quantity, the third largest crop produced in the world and therefore contributes greatly to the world economy both globally and in Serbia and Bosnia and Herzegovina-B &amp; H. With wheat, worldwide it is sowing about 2.20 million ha annually and in Republic of Serbia wheat cultivated in 588.820 ha. The present trial was carried out to study the growth rates of yield, production and market of wheat in B &amp; H. During the period 2010-2016, wheat was sown of Bosnia and Herzegovina on 63606.30 ha. There is trend in increasing of areas under wheat with a rate of 0.99% per year and, it varies. Average yield of wheat during the monitored period was 3.58 t ha-1. Average export of wheat in the tested period was 41750 t and had a tendency to increase with a rate of 25.67% and variation (CV = 104.41%) while average import of wheat was 398750 t and had a tendency to increase with a rate of 0.82% and variation (CV = 10.37%). The highest import was achieved in 2016 (398750 t) and the lowest in 2013. External trade of agro-industrial products and trade liberalization implies the necessity of raising the technological level of production, productivity, efficiency and application of marketing management.
PB  - University of Montenegro
T2  - Agriculture & Forestry
T1  - Economic analysis of wheat production and applied marketing management
EP  - 100
IS  - 4
SP  - 91
VL  - 65
DO  - 10.17707/AgricultForest.65.4.08
ER  - 
@article{
author = "Dončić, Dalibor and Popović, Vera and Lakić, Željko and Popović, Dragana and Petković, Zdravka",
year = "2019",
abstract = "Wheat is, in quantity, the third largest crop produced in the world and therefore contributes greatly to the world economy both globally and in Serbia and Bosnia and Herzegovina-B &amp; H. With wheat, worldwide it is sowing about 2.20 million ha annually and in Republic of Serbia wheat cultivated in 588.820 ha. The present trial was carried out to study the growth rates of yield, production and market of wheat in B &amp; H. During the period 2010-2016, wheat was sown of Bosnia and Herzegovina on 63606.30 ha. There is trend in increasing of areas under wheat with a rate of 0.99% per year and, it varies. Average yield of wheat during the monitored period was 3.58 t ha-1. Average export of wheat in the tested period was 41750 t and had a tendency to increase with a rate of 25.67% and variation (CV = 104.41%) while average import of wheat was 398750 t and had a tendency to increase with a rate of 0.82% and variation (CV = 10.37%). The highest import was achieved in 2016 (398750 t) and the lowest in 2013. External trade of agro-industrial products and trade liberalization implies the necessity of raising the technological level of production, productivity, efficiency and application of marketing management.",
publisher = "University of Montenegro",
journal = "Agriculture & Forestry",
title = "Economic analysis of wheat production and applied marketing management",
pages = "100-91",
number = "4",
volume = "65",
doi = "10.17707/AgricultForest.65.4.08"
}
Dončić, D., Popović, V., Lakić, Ž., Popović, D.,& Petković, Z.. (2019). Economic analysis of wheat production and applied marketing management. in Agriculture & Forestry
University of Montenegro., 65(4), 91-100.
https://doi.org/10.17707/AgricultForest.65.4.08
Dončić D, Popović V, Lakić Ž, Popović D, Petković Z. Economic analysis of wheat production and applied marketing management. in Agriculture & Forestry. 2019;65(4):91-100.
doi:10.17707/AgricultForest.65.4.08 .
Dončić, Dalibor, Popović, Vera, Lakić, Željko, Popović, Dragana, Petković, Zdravka, "Economic analysis of wheat production and applied marketing management" in Agriculture & Forestry, 65, no. 4 (2019):91-100,
https://doi.org/10.17707/AgricultForest.65.4.08 . .
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