Rahman, A., B. Susetyo, and E. Hermawan. “MODEL KLASTERISASI KONEKSI INTERNET PROVIDER SELULER BERBASIS WEBGIS”. INFOTECH Journal, vol. 7, no. 1, June 2021, pp. 28-35, https://ejournal.unma.ac.id/index.php/infotech/article/view/3153.