Yurmanalis Y, Khairuddin K, Musril HA, Derta S. Efektivitas Laboratorium Virtual Menggunakan GNS3 di SMK N 04 Payakumbuh. JPDK [Internet]. 2022 Aug. 19 [cited 2025 Dec. 7];4(4):4288-93. Available from: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/6150