Widyaningtyas, S., Arwani, M. and Nanda, R.F. 2026. Performance of K-Nearest Neighbors and Advanced Metaheuristic Algorithms for Feature Selection in Classifying the Purity of Civet Coffee. MALCOM: Indonesian Journal of Machine Learning and Computer Science. 6, 1 (Jan. 2026), 94-105. DOI:https://doi.org/10.57152/malcom.v6i1.2345.