Ridwan, Mohammad. “OPTIMALISASI TEKNOLOGI INFORMASI BERBASIS SMS GATEWAY MEMANFAATKAN PERINTAH DASAR AT COMMAND”. Jutis (Jurnal Teknik Informatika) 5, no. 1 (February 20, 2020). Accessed November 22, 2024. https://ejournal.unis.ac.id/index.php/jutis/article/view/3.