HASANAH, R.; GUNAWAN, G.; MUNTARI, M. Development of Problem-Based Physics Learning Tools: Evaluation of Validity and Practicality. PUSTAKA DIDAKTIS: JURNAL MEDIA DAN MODEL PEMBELAJARAN, [S. l.], v. 1, n. 1, p. 6–19, 2025. Disponível em: https://erj.lombokinstitute.com/index.php/didaktis/article/view/9. Acesso em: 16 feb. 2026.