Kumar Gupta, Arun, and S.G. Kaskhedikar. “Derivative Spectrophotometric Estimation of Amoxycillin and Bromhexine Hydrochloride in Tablets ”. Asian Journal of Chemistry 15, no. 2 (March 30, 2010): 977–980. Accessed January 12, 2026. https://asianpubs.org/index.php/ajchem/article/view/21732.