Radukic, S., & 		Perovic, D.
(2019).
 Improving Eco - Efficiency Through Overcoming Sustainability Challenges: A Case Study For BSEC Member States.
<em>Management:Journal Of Sustainable Business And Management Solutions In Emerging Economies, 24</em>(2), 1-12.
doi:10.7595/management.fon.2018.0016