Zaki M, Maula Sulthon B. Analisa Tingkat Kematangan Sistem Informasi Pada Costomer Service Menerapkan Framewordk Cobit 4.1. klik [Internet]. 2022Jun.30 [cited 2026Jun.16];2(6):251-7. Available from: https://djournals.com/klik/article/view/403