PRATAMA, B.; DIYANA, T. N. VBL Learning Device Validation (Tracker) on GJB Material Through the PBL Model. Impulse: Journal of Research and Innovation in Physics Education, [S. l.], v. 3, n. 2, p. 64–76, 2024. DOI: 10.14421/impulse.2023.32-01. Disponível em: https://ejournal.uin-suka.ac.id/tarbiyah/impulse/article/view/6889. Acesso em: 1 feb. 2025.