Radukic, Snezana, and Dusan Perovic. “Improving Eco - Efficiency Through Overcoming Sustainability Challenges: A Case Study For BSEC Member States”. Management:Journal of Sustainable Business and Management Solutions in Emerging Economies 24, no. 2 (September 2, 2019): 1–12. Accessed July 16, 2024. https://management.fon.bg.ac.rs/index.php/mng/article/view/189.