RAHMAN AHMAD, N.; NIEF. Facial visible spectrophotometric determination of metformin hydrochloride in glucosam tablets and industrial waste water: Application to content uniformity testing. Iraqi Journal of Pharmacy, [S. l.], v. 12, n. 1, p. 75–85, 2012. Disponível em: https://rjps.uomosul.edu.iq/index.php/iphr/article/view/21521. Acesso em: 4 aug. 2025.