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. ҚазҰУ хабаршысы. Экология сериясы, v. 56, n. 3, p. 58–67, 29 Oct.2018.