Kumble DIVYA. Metformin HCL: Visible Spectrophotometric Determination in Pure and Dosage Forms. Progress in Chemical Science Research Vol. 1, [S. l.], p. 72–80, 2022. DOI: 10.9734/bpi/pcsr/v1/2147A. Disponível em: https://stm.bookpi.org/PCSR-V1/article/view/6766. Acesso em: 4 jun. 2026.