Akmukhanova N.R., Bolatkhan K., Bauyenova M.O., Sadvakasova A.K., Zayadan B.K. Bioindication on the basis of microalgae of recreational areas of Lake Alakol: Al-Farabi Kazakh national university, Kazakhstan, Almaty. (2018). Eurasian Journal of Ecology, 56(3), 58-67. https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/829