“Application of Fourier Transform Infrared Spectrophotometry Method for Analysis of Metformin Hydrochloride in Marketed Tablet Dosage Form”. Jurnal Kimia Valensi 7, no. 2 (November 25, 2021): 168–177. Accessed March 1, 2026. https://journal.uinjkt.ac.id/valensi/article/view/22158.