Budi, M. A. A., M. G. L. Putra, and L. H. Atrinawati. “Improving Helpdesk Capability in Perum Peruri Through Service Catalog Management Based on ITIL V3”. International Journal of Cyber ​​and IT Service Management (IJCITSM), vol. 2, no. 2, Aug. 2022, pp. 117-26, doi:10.34306/ijcitsm.v2i2.106.