Geetha, A., and P.N. Palanisamy. 2015. “Application of Activated Carbon and Polypyrrole Coated Sawdust for Adsorption of Acidic Dye from Aqueous Solutions: A Comparative Study”. Asian Journal of Chemistry 27 (8):2813-18. https://doi.org/10.14233/ajchem.2015.18076.