OMGBU, J. A.; OHOCHUKU, N. S.; IWEANYA, V.; OBASEKI, E. M. ?COCONUT PALM (COCOS NUCIFERA) HUSK AS A POTENTIAL ADSORBENT FOR LEAD, CADMIUM AND ZINC IONS IN INDUSTRIAL WASTE EFFLUENTS. Pakistan Journal of Scientific & Industrial Research 1997, 40, 1-3.