Lutfianto, Naufal Hanan, et al. “Comparative Quality of Services and Resource Utilization Analysis of Free5GC and Open5GS in Resource-Constrained Private 5G Networks”. Journal of Information Systems and Informatics, vol. 8, no. 2, Apr. 2026, pp. 2098-16, https://doi.org/10.63158/journalisi.v8i2.1513.