Ruddin, Isra, Handri Santoso, Richardus Eko Indrajit, and Erick Dazki. “Contingency Planning in IT Risk Audit on Music Digital Recording Company”. Journal of Music Science, Technology, and Industry 4, no. 2 (November 1, 2021): 191–209. Accessed January 31, 2023. https://jurnal.isi-dps.ac.id/index.php/jomsti/article/view/1792.