Ogbu, IC, KG Akpomie, AA Osunkunle, and SI Eze. “Sawdust-Kaolinite Composite As Efficient Sorbent for Heavy Metal Ions”. Bangladesh Journal of Scientific and Industrial Research 54, no. 1 (March 25, 2019): 99–110. Accessed December 22, 2024. https://banglajol.info/index.php/BJSIR/article/view/40736.