Liu, Fang, Xin Zhao, Yujin Pan, and Xiaomin Hu. “Construction of Nitrification Model With Nitrifying Coal Ash in Aerobic Treatment of High Strength Wastewater”. Journal of Environmental Engineering and Landscape Management 30, no. 4 (December 16, 2022): 508–514. Accessed November 27, 2024. https://ijspm.vgtu.lt/index.php/JEELM/article/view/18061.