Bannikova, Natalia, and Anzhelika Baicherova. “METHODOLOGICAL APPROACHES TO VETERINARY SERVICE EFFICIENCY EVALUATION IN LIVESTOCK”. Ekonomika poljoprivrede 61, no. 4 (December 31, 2014): 959–974. Accessed July 22, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/339.