“ASSESSMENT OF THE ECOLOGICAL STATE OF WATER OF LAKE ISSYK-KUL BY TROPHIC STATE INDEX (TSI)”. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE KYRGYZ REPUBLIC, no. 7 (December 19, 2023): 185–194. Accessed August 19, 2026. https://journal.uia.gov.kg/index.php/main/article/view/544.