TARIGAN, RIDA EVALINA; ANDRY, MUHAMMAD; ZULMI MARPAUNG, ANNISA TIFANY; NASUTION, MUHAMMAD AMIN; LUBIS, MUHAMMAD FAUZAN. QUANTITATIVE ANALYSIS OF DEXTROMETHORPHAN-HBr, GUAIFENESIN, AND DIPHENHYDRAMINE-HCl IN TABLET DOSAGE FORM BY RATIO DIFFERENCE SPECTROPHOTOMETRY METHOD. International Journal of Applied Pharmaceutics, [S. l.], v. 16, n. 1, p. 306–310, 2024. DOI: 10.22159/ijap.2024v16i1.49218. Disponível em: https://www.journals.innovareacademics.in/index.php/ijap/article/view/49218. Acesso em: 5 dec. 2025.