Wartariyus, Wartariyus, Edo Laksana Widodo, Rendy Lutfi Prabowo, and Muhammad Dzaki Arrahman. “Sistem Informasi Manajemen Outbound Call (OBC) Subunit Payment Collection Pada Witel Lampung Berbasis Web ”. Jurnal Pepadun 4, no. 1 (April 15, 2023): 20–28. Accessed May 11, 2026. https://pepadun.fmipa.unila.ac.id/index.php/jurnal/article/view/142.