Bui, X.T. (2017) “FTIR Combined with Chemometrics for Fast Simultaneous Determination of Penicillin and Cephalexin in Pharmaceutical Tablets”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 36(6), pp. 87–94. Available at: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/8350 (Accessed: 13 November 2025).