Zayadan, B. K., A. K. Sadvakasova, M. M. Hassan, and A. Z. Beisenova. “Bioremediation of Heavy Metal Contaminated Water by Microalgae”. International Journal of Biology and Chemistry, vol. 5, no. 1, June 2013, pp. 32-35, https://ijbch.kaznu.kz/index.php/kaznu/article/view/77.