Geetha, A., and P.N. Palanisamy. “Application of Activated Carbon and Polypyrrole Coated Sawdust for Adsorption of Acidic Dye from Aqueous Solutions: A Comparative Study”. Asian Journal of Chemistry 27, no. 8 (April 27, 2015): 2813–2818. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_8_17.