Ayzel, G.V., Izhitskiy, A.C., Kurbaniyazov, A.K. і Zhanabayeva, Z.A. 2020. Evaluation of dynamic change of water level of the small aral sea based on data of open sources. ҚазҰУ Хабаршысы. География сериясы. 57, 2 (Жов 2020), 69–77. DOI:https://doi.org/10.26577//JGEM.2020.v57.i2.06.