Kluczkowski, Andrzej, and Michał Wyrostkiewicz. “Circular Economy As an Important Subject of Environmental Education in the Era of Energy Demand ”. Journal of Vasyl Stefanyk Precarpathian National University 5, no. 1 (April 20, 2018): 88–94. Accessed May 8, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/3510.