Romanova, Sofiya, Roza Ryskaliyeva, and Oksana Ponomarenko. “Self-Purification Ability of Natural Waters in the Arid Zones”. Chemical Bulletin of Kazakh National University 89, no. 2 (June 30, 2018): 36-42. Accessed November 14, 2024. https://chemistry.kz/bulletin/index.php/kaznu/article/view/971.