Fitri, Nur Annisa, Memi Nor Hayati, and Rito Goejantoro. “Grouping Districts/Cities in Kalimantan Island Based on The People’s Welfare Indicators Using Fuzzy C-Means and Subtractive Fuzzy C-Means Methods”. Jurnal Matematika, Statistika dan Komputasi 18, no. 1 (September 2, 2021): 141-149. Accessed May 23, 2024. http://journal.unhas.ac.id/index.php/jmsk/article/view/14416.