Vertakova, Yulia V., and Vladimir A. Plotnikov. “The Integrated Approach to Sustainable Development: The Case of Energy Efficiency and Solid Waste Management”. International Journal of Energy Economics and Policy 9, no. 4 (June 1, 2019): 194–201. Accessed October 6, 2022. https://econjournals.com/index.php/ijeep/article/view/8009.