ZAENAL ABIDIN, D. ANALISIS PERFORMANSI SGSN UNTUK LAYANAN SMS OVER GPRS. Jurnal PROCESSOR, [S. l.], v. 7, n. 1, 2017. Disponível em: https://ejournal.unama.ac.id/index.php/processor/article/view/223. Acesso em: 23 jul. 2024.