Kolos Е.А., O.K. Denissova, E.S. Madiyarova, and R. Stefaniski. “Directions for Increasing the Effective Use of Regional Hydropower Sector on the Basis of the Construction of Small Hydroelectric Stations (on the Example of the East Kazakhstan Region)”. BUKETOV BUSINESS REVIEW 88, no. 4 (December 30, 2017): 20–28. Accessed December 10, 2025. https://bbr.buketov.edu.kz/economy-vestnik/article/view/319.