Rai, Kalpna, and A. Maheshwari. “Removal of Pollutants from Industrial Effluents Using Plastic Clay and Pyrophyllite ”. Asian Journal of Chemistry 14, no. 2 (March 30, 2010): 739–745. Accessed April 3, 2025. https://asianpubs.org/index.php/ajchem/article/view/22145.