I. Khaira, M. Maison, and J. Marzal, “Pengembangan Perangkat Pembelajaran Fisika Berbasis Virtual Laboratorium Pada Materi Listrik Di SMK: Development of Physics Based Learning Devices Virtual Laboratory on Electrical Material at SMK”, jmpmipa, vol. 6, no. 2, pp. 24-30, Jul. 2017.