Roljević, Svetlana, Radojica Sarić, and Predrag Vuković. “SIGNIFICANCE AND APPLIANCE OF BIOLOGICAL CONTROL IN CONCEPT OF SUSTAINABLE AGRICULTURE”. Ekonomika poljoprivrede 56, no. 4 (December 31, 2009): 617–626. Accessed November 22, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/1168.