BUI, X. T.; NGUYEN, T. K. T.; DOAN, T. H.; LE, S. H.; TA, T. T. FTIR Combined with Chemometrics for Fast Simultaneous Determination of Penicillin and Cephalexin in Pharmaceutical Tablets. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 36, n. 6, p. 87–94, 2017. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8350. Acesso em: 6 may. 2024.