Septiwi, Sely, Gusmelia Testiana, and Beni Setiaji. 2015. “Sistem Informasi MEWS Di Sumatera Selatan Berbasis SMS Gateway”. JUSIFO (Jurnal Sistem Informasi) 1 (1): 31-40. https://jurnal.radenfatah.ac.id/index.php/jusifo/article/view/3813.