Purba, Oktaviana Nirmala, Dian Novianti Sitompul, Tua Holomoan Harahap, Sri Rahmah Dewi Saragih, and Rizka Fahruza Siregar. “Application of Fuzzy C-Means Algorithm for Clustering Customers”. Hanif Journal of Information Systems 1, no. 1 (August 24, 2023): 26–36. Accessed April 14, 2026. https://journal.ilmubersama.com/index.php/hanif/article/view/8.