Yordani, Ricky, and Hafshoh Mahmudah. “Visualization Od Clustering Region by Economic Growth Theory Using The Integration Self Organizing Map (SOM) and Geographic Information System”. Jurnal Aplikasi Statistika & Komputasi Statistik 7, no. 2 (December 31, 2015): 14. Accessed April 27, 2025. https://jurnal.stis.ac.id/index.php/jurnalasks/article/view/21.