Setia, Arvhi Randita, Allsela Meiriza, and Hardini Novianti. “Assessing the Maturity Level of Open Ticket Services Using ITIL V4 Framework”. Journal of Applied Informatics and Computing 10, no. 2 (April 20, 2026): 1639–1646. Accessed September 12, 2026. https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/12345.