BUI, Xuân Thanh; NGUYEN, Thi Kim Thuong; DOAN, Thi Huyen; LE, Si Hung; TA, Thi Thao. FTIR Combined with Chemometrics for Fast Simultaneous Determination of Penicillin and Cephalexin in Pharmaceutical Tablets. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 36, n. 6, p. 87–94, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/8350. Acesso em: 12 sep. 2025.