Samuel, Aney Joice, and Nida Mulla. “Formulation and Evaluation of Herbal Topical Gel Containing Leaves Extract of Andrographis Paniculata”. Journal of Drug Delivery and Therapeutics 10, no. 1 (January 15, 2020): 48–51. Accessed April 30, 2026. https://jddtonline.info/index.php/jddt/article/view/3837.