Tarigan Rida Evalina, Melya Sukma and Lisda Rimayani Nasution (2025) “Fourier Transform Infrared Spectrophotometry-Partial Least Square for Simultaneous Quantification of Paracetamol, Guaifenesin, Phenylpropanolamine, and Chlorpeniramine Maleate in Tablet”, Asian Journal of Pharmaceutical Research and Development, 13(4), pp. 1–5. doi: 10.22270/ajprd.v13i4.1583.