[1]
B. Shrestha, P. L. Homagai, M. R. Pokhrel, and K. N. Ghimire, “Removal of Copper (II) and Zinc (II) ions from Aqueous Solution by Biosorption onto Aminated Tea Waste”, J. Nepal Chem. Soc., vol. 28, pp. 48–53, May 2013.