Monike Febriyani Faris, Putroue Keumala Intan, and Widodo. “Analisis Clustering Daerah Rawan Banjir Menggunakan Fuzzy C-Means (Studi Kasus: Bakorwil 2 Jawa Timur)”. Jurnal Algebra, vol. 1, no. 1, Aug. 2020, pp. 33-40, https://jurnalsaintek.uinsby.ac.id/index.php/algebra/article/view/1016.