AFZALI, M., N. DARIJANI, and A. AMIRI. “Studies on the Potential of Natural Zeolites and Modified Natural Zeolites Towards the Removal of Heavy Metals from Smoke Cigarette”. Asian Journal of Chemistry 19, no. 3 (March 30, 2010): 1723–1727. Accessed July 7, 2024. https://asianpubs.org/index.php/ajchem/article/view/13732.