Alhassan, M., M. Suleiman, A. A. Isah, A. G. Abdulrashid, Y. Nasiru, and A. Bello. “Efficacy of Acid-Treated Sawdust in Decolourization of Tanning Wastewater”. Journal of Environmental & Earth Sciences 3, no. 2 (October 8, 2021): 55–60. Accessed April 29, 2024. https://journals.bilpubgroup.com/index.php/jees/article/view/3699.