Sheela, N.R., S. Muthu, and S. Sampath Krishnan. “FTIR, FT Raman and UV-Visible Spectroscopic Analysis on Metformin Hydrochloride”. Asian Journal of Chemistry 22, no. 7 (June 9, 2010): 5049–5056. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/11712.