Rehman, Rabia, Javaria Zafar, and Hina Nisar. 2013. “Adsorption Studies of Removal of Indigo Caramine Dye from Water by Formaldehyde and Urea Treated Cellulosic Waste of Citrus Reticulata Peels”. Asian Journal of Chemistry 26 (1):43-47. https://doi.org/10.14233/ajchem.2014.15305.