S, P. S.; A, A. A.; K, A. K.; P R, A.; R, A. P. Q-ABSORBANCE RATIO AND VIERODT’S SPECTROPHOTOMETRIC METHOD FOR THE SIMULTANEOUS ESTIMATION OF FAMOTIDINE AND OMEPRAZOLE. International Journal of Pharmaceutics and Drug Analysis, [S. l.], v. 11, n. 1, p. 9-16, 2023. DOI: 10.47957/ijpda.v11i1.529. Disponível em: https://ijpda.org/index.php/journal/article/view/529. Acesso em: 21 apr. 2026.