Todorović, Sasa, Zorica Vasiljević, and Nikola Popović. “ECONOMIC EFFECTS OF THE APPLIANCE OF NEW TYPES OF MACHINES AND TOOLS FOR THE ARRANGEMENT OF SOILS IN SUNFLOWER PRODUCTION”. Economics of Agriculture 57, no. 2 (October 15, 2018). Accessed May 4, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/1135.