Peter, O. I., Adeyinka , O. J. and Akolade , R. A. (2019) “Application of Snail Shell Chitosan as a Bioadsorbent in Removal of Copper (II) Ions from Wastewater”, Earthline Journal of Chemical Sciences, 2(1), pp. 141-151. doi: 10.34198/ejcs.2119.141151.