Živanović, Ljubiša, Vlado Kovačević, and Vladan Lukić. “ECONOMIC COST – EFFECTIVENESS OF DIFFERENT NITROGEN APPLICATION IN THE PRODUCTION OF CORN ON CHERNOZEMS SOIL”. Ekonomika poljoprivrede 62, no. 2 (May 25, 2018): 421–436. Accessed November 22, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/302.