Dedi Holden Simbolon and Eka Kartika Silalahi 2023. Virtual Laboratory-Based Physics Learning "PhET Simulation" to Improve Student Learning Activities. Jurnal Ilmiah Sekolah Dasar. 7, 3 (Aug. 2023), 461–468. DOI:https://doi.org/10.23887/jisd.v7i3.61001.