HIDAYAT, Raihan; KUSNIYATI, Harni. Clustering Analysis in Sales Grouping Using The K-Means Algorithm at Cafe 47°Coffee. CESS (Journal of Computer Engineering, System and Science), [S. l.], v. 7, n. 2, p. 420–434, 2022. DOI: 10.24114/cess.v7i2.35569. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/cess/article/view/35569. Acesso em: 4 jul. 2025.