DAMANIK, H., & ANGGRAENI, M. (2023). IMPROVING COMPETENCE OF AN-NURMANIYAH VOCATIONAL HIGH SCHOOL STUDENTS THROUGH TRAINING AND IMPLEMENTING OF VPN ETHERNET OVER IP (EOIP) AND PPTP TUNNELING ON MULTI-SITE NETWORK AREA SCALE. ICCD, 4(1), 410-416. https://doi.org/10.33068/iccd.v4i1.498