Mekić, Cvijan, Grigorije Trifunović, Zorica Novaković, Radosav Vujić, and Dragan Romić. “The Rise of Proftability in Sheep Production by Out of Season Induction of Heat in Ewes”. Ekonomika poljoprivrede 57, no. Spec.num.2 (December 3, 2010): 117–122. Accessed November 21, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/922.