Goyal, Anju, and I. Singhvi. “Visible Spectrophotometric Methods for Estimation of Ambroxol Hydrochloride from Tablet Formulation”. Asian Journal of Chemistry 17, no. 4 (June 8, 2016): 2836–2838. Accessed July 17, 2024. https://asianpubs.org/index.php/ajchem/article/view/13944.