Alkhanova E.Zh.*, Beisenova R.R. 2026. ASSESSMENT OF THE LEVEL OF POLLUTION OF THE UI AND ZHELKUAR RIVERS. Вестник ЗКУ. 102, 2 (июн. 2026), 483. DOI:https://doi.org/10.37238/2960-1371.2960-138X.2026.102(2).45.