Integration of Models PBL and POE to Improve Students’ Critical Thinking on Alternative Energy Materials. Prosiding Seminar Nasional Fisika (Sinafi), [S. l.], v. 4, n. 1, p. 184–188, 2026. Disponível em: https://proceedings.fisikaupi.id/index.php/sinafi/article/view/19. Acesso em: 15 apr. 2026.