1.
Wella W, Setiawan J. Audit Sistem Informasi Menggunakan Cobit 4.1 pada PT. Erajaya Swasembada, Tbk. ULTIMA InfoSys [Internet]. 2015 Dec. 31 [cited 2025 Aug. 2];6(2):111-24. Available from: https://ejournals.umn.ac.id/index.php/SI/article/view/227