Yessengeldin, Bauyrzhan, Gulzada Mukhamediyeva, Diana Sitenko, and Aiman Zhumanova. “Problems and Perspectives of Energy Security of Single - Industry Towns of the Republic of Kazakhstan”. International Journal of Energy Economics and Policy 8, no. 1 (January 24, 2018): 116–121. Accessed May 25, 2024. https://www.econjournals.com/index.php/ijeep/article/view/5661.