DAMANIK, H. and 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), pp. 410-416. doi: 10.33068/iccd.v4i1.498.