Abdul Halim Ahmad (2024) “CABARAN DAN KEBERKESANAN PENGGUNAAN SIMULATOR CISCO PACKET TRACER DALAM PEMBELAJARAN SAMBUNGAN VPN (VIRTUAL PRIVATE NETWORK) ”, INTERNATIONAL JOURNAL OF MODERN EDUCATION (IJMOE), 4(14). Available at: https://gaexcellence.com/ijmoe/article/view/1791 (Accessed: 4 June 2025).