Kudaybergenov, K. K., E. K. Ongarbayev, Z. A. Mansurov, and M. I. Tulepov. “The Study of Microstructures of the Rice Husk and Apricot Stone for Wastewater Treatment”. International Journal of Biology and Chemistry 6, no. 2 (December 20, 2013): 35–39. Accessed April 28, 2024. https://ijbch.kaznu.kz/index.php/kaznu/article/view/97.