“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.