Yulianti, D. T., A. Adelia, and N. Ibrahim. “Analisis Manajemen Operasi Menggunakan COBIT 5 – DS01 Manage Operation (Studi Kasus CV.XYZ)”. Jurnal Teknik Informatika Dan Sistem Informasi, vol. 4, no. 3, Dec. 2018, pp. 488–498, https://journal.maranatha.edu/index.php/jutisi/article/view/1484.