Zilhadia, Mustafidah, M., Herdini, & Muhammad, C. A. (2026). Analysis of Porcine Gelatin in Hard Capsule Shells by Using A Combination of FTIR and Principal Component Analysis Methods. Jurnal Sains Farmasi & Klinis, 13(1), 84–89. https://doi.org/10.25077/jsfk.13.1.84-89.2026