Aisykha Reisla Rayhan, Widya Astuti, Zakiyatush Shufila, and Edy Widodo, “Implementasi Self Organizing Map dalam Pengelompokkan Kabupaten di Jawa Barat Berdasarkan Kasus Covid-19”, JSA, vol. 5, no. 2, pp. 174–183, Dec. 2021.