Jamal, Nurwahidah, Ihsan Ihsan, Kety Lulu Agustin, Andi Yasir Amsal, Farida Farida, and Mariatul Kiptiah. “Virtual Private Network for Data and Information Communication Security:Testing on Zyxel USG 2200 Router ”. JOURNAL ZETROEM 8, no. 2 (June 30, 2026): 109–116. Accessed July 2, 2026. https://ejournal.unibabwi.ac.id/index.php/Zetroem/article/view/7830.