Marcikić Horvat, Aleksandra, Boris Radovanov, Gheorghe H. Popescu, and Casen Panaitescu. “A TWO-STAGE DEA MODEL TO EVALUATE AGRICULTURAL EFFICIENCY IN CASE OF SERBIAN DISTRICTS”. Ekonomika poljoprivrede 66, no. 4 (December 25, 2019): 965–974. Accessed November 23, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/1642.