Kristiani, E., and M. Marcel. “Improving IT Service Management (ITSM) Capability in Small Application Development Firms Using FitSM: A Case Study Integrated With Socio-Technical Systems Theory”. Journal of Information Systems and Informatics, Vol. 6, no. 4, Dec. 2024, pp. 2611-3, doi:10.51519/journalisi.v6i4.904.