Karma, Taufiq, Rinaldi Idroes, Khairan Khairan, and Mohamad Rafi. “Preprocessing, Feature Selection, and Validation Strategies for FTIR and GC-MS Chemometric Models in Food Authentication: A Structured Critical Review”. Grimsa Journal of Science Engineering and Technology 4, no. 2 (October 30, 2026): 94–121. Accessed November 1, 2026. https://www.journals.grimsa.org/index.php/gjset/article/view/142.