“Implementation of VPN Using the PPTP Method to Access CCTV Monitoring Data at the Bukit Raya District Office”. INOVTEK Polbeng - Seri Informatika 9, no. 2 (October 24, 2024): 553–565. Accessed January 31, 2026. https://jurnal.polbeng.ac.id/index.php/ISI/article/view/112.