Putra, Y. A., Toni, T. and Azka, M. (2025) “ANALISIS QUALITY OF SERVICE SISTEM IP-PBX YEASTAR S50 DAN 3CX DI AIRNAV CABANG PEKANBARU”, Jurnal Review Pendidikan dan Pengajaran, 8(1), pp. 3315–3327. doi: 10.31004/jrpp.v8i1.43452.