Chakraborty, Krishnasis, and Suraj Chaudhary. “Estimation the Presence of Heavy Metals and Trace Elements in Indian Herbal Cosmetics by Atomic Absorption Spectrophotometer”. Asian Journal of Pharmaceutical Research and Development 7, no. 5 (October 15, 2019): 59–64. Accessed September 13, 2025. https://ajprd.com/index.php/journal/article/view/556.