Ahmad, T., Mustafa, S., Naeem, A., Anwar, F., Hussain Shah, K., & Mehmood, T. (2014). Selective Sorption of Chromium from Tannery Wastes by Hybrid Cation Exchange Resin. Asian Journal of Chemistry, 26(14), 4351–4355. https://doi.org/10.14233/ajchem.2014.16497