Zekić, Vladisav, Nedeljko Tica, Blagoje Stančić, and Ivan Radović. “ASSESSMENT OF THE ECONOMIC TIME OPTIMUM FOR THE USE OF BROOD SOWS”. Ekonomika poljoprivrede 56, no. 4 (December 31, 2009): 685–693. Accessed December 23, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/1173.