Rehman, R. et al. 2013. Kinetic and Isothermal Biosorption Studies of Co(II), Cu(II) and Ni(II) Using Polyalthia longifolia Leaf Powder. Asian Journal of Chemistry. 25, 15 (Sep. 2013), 8285–8288. DOI:https://doi.org/10.14233/ajchem.2013.14713.