“?SCAVENGING CADMIUM, COPPER, LEAD, NICKEL AND ZINC IONS FROM AQUEOUS SOLUTION BY MODIFIED CELLULOSIC SORBENT”, Pakistan Journal of Scientific & Industrial Research, vol. 44, no. 6, pp. 321–324, Dec. 2001, Accessed: Mar. 10, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1962