Rustam Abdrahimov, Ainur Amirgaliyeva, Kuanysh Tastambek, Aidar Zhumalipov, and Svetlana Polyakova. “ANNUAL RIVER RUNOFF OF THE ILE-BALKASH BASIN AND PROSPECTS OF ITS ASSESSMENT DUE TO CLIMATIC CHANGES AND WATER ECONOMY ACTIVITIES”. GEOMATE Journal, vol. 18, no. 69, May 2020, pp. 230-9, https://geomatejournal.com/geomate/article/view/1549.