Anugrah, Muhammad, Herlina Latipa Sari, and Rizka Tri Alinse. 2022. “Application Of The Preference Selection Index And Method K-Means Clustering Method In Sales Product ( Case Study Of Ocha Cell Store)”. Jurnal Media Computer Science 1 (2), 205–218. https://doi.org/10.37676/jmcs.v1i2.2705.