Azizah, Suti Mega Nur, Hary Suswanto, and Syaifudin Ramadhani. 2025. “Enhancing Network Security Skills Using a Problem-Based Learning Approach in Cisco Packet Tracer Simulation Practices”. Edunesia : Jurnal Ilmiah Pendidikan 6 (3):1585-96. https://doi.org/10.51276/edu.v6i3.1268.