Jideowno, A., Okuo, J. M. and Okolo, P. O. (2006) “Sorption of Some Heavy Metal Ions by Chitosan and Chemically Modified Chitosan”, Biological Sciences - PJSIR, 49(6), pp. 443–447. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/1301 (Accessed: 3 July 2024).