Kurgat, C., A. Jebet, and J. Kibet. “The Chemistry of Tobacco Charcoal: A Potentially Harmful Residue from Tobacco Burning”. Africa Environmental Review Journal 3, no. 1 (July 5, 2022): pp. 118–124. Accessed December 21, 2024. http://ojs.uoeld.ac.ke/index.php/aerj/article/view/197.