Amrizal, Agus Nur Khomarudin, Jamaluddin, Trinovita Zuhara Jingga, Hendra, M Riza Nurtam, Indra Laksmana, Syukriadi, Romy Aulia, Rina Novita, Rabby Nazli, Ega Evinda Putri, and Widya Febrina. 2022. “Training on the Use of GNS3 in Computer Networks Learning for Vocational High School Teachers”. Indonesian Journal of Community Services Cel 1 (3):151-60. https://doi.org/10.70110/ijcsc.v1i3.20.