“?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, vol. 40, no. 1-4, pp. 1–3, Apr. 1997, Accessed: Apr. 25, 2026. [Online]. Available: http://www.v2.pjsir.org/index.php/biological-sciences/article/view/2323