Rapid Authentication of Pig Leather and Synthetic AlternRapid Authentication of Pig Leather and Synthetic Alternatives using NIR Spectroscopy and Chemometrics Approachatives using NIR Spectroscopy and Chemometrics Approach. MJoSHT [Internet]. 2025 Dec. 24 [cited 2026 Mar. 1];11(3):1-8. Available from: https://mjosht.usim.edu.my/index.php/mjosht/article/view/539