Puvača, Nikola, and Ivana Brkić. 2025. “THE ROLE OD BEES IN GREEN AGRICULTURE: DOI:10.5937/Etp243-2082P”. Ekonomija - Teorija I Praksa 17 (Special Edition):82-103. https://casopis.fimek.edu.rs/index.php/etp/article/view/306.