Soltangazinov, A., Z. Smagulova, M. Amirova, L. Kashuk, M. Karimbergenova, A. Kadyrova, and O. Zhaltyrova. “Energy Efficiency As a Factor of Sustainable Development in Kazakhstan”. International Journal of Energy Economics and Policy, vol. 10, no. 1, Nov. 2019, pp. 325-30, https://econjournals.com/index.php/ijeep/article/view/8618.