OMGBU, J. A., N. S. OHOCHUKU, V. IWEANYA, and E. M. OBASEKI. “?COCONUT PALM (COCOS NUCIFERA) HUSK AS A POTENTIAL ADSORBENT FOR LEAD, CADMIUM AND ZINC IONS IN INDUSTRIAL WASTE EFFLUENTS”. Biological Sciences - PJSIR 40, no. 1-4 (April 21, 1997): 1–3. Accessed June 8, 2025. http://www.biostaging.pjsir.org/index.php/biological-sciences/article/view/2323.