Jamshaid Iqbal, M.; Cecil, F.; Ahmad, K.; Iqbal, M.; Mustaq, M.; Naeem, M.; Bukhari, T. Kinetic Study of Cr(III) and Cr(VI) Biosorption Using Rosa Damascena Phytomass: A Rose Waste Biomass. ajc 2012, 25, 2099-2103.