Jurnal, Redaksi Tim. “IMPLEMENTASI AUDIT SISTEM CONTACT CENTER MENGGUNAKAN KERANGKA KERJA COBIT 4.1 DOMAIN DELIVERY AND SUPPORT (Studi Kasus : PT Visionet International): Muhaimin Hasanudin”. PETIR 10, no. 1 (December 14, 2018). Accessed September 4, 2025. https://jurnal.itpln.ac.id/petir/article/view/35.