Tarigan, Rindu Eka Bakti, Dr. Poerwaningsih Soekarno, M.STr, and Dr. Wilson , M.Si., M.A Rajagukguk. “ANALISA RISIKO OPERASIONAL DI DIVISI NETWORK OPERATION CENTER (NOC) PADA PT. INDOSAT OOREDOO”. JURNAL MANAJEMEN RISIKO 1, no. 2 (December 1, 2020): 1-40. Accessed July 23, 2024. http://ejournal.uki.ac.id/index.php/mr/article/view/2791.