SAMSUDIN, Achmad. Implementasi “ASSAF” terhadap capaian pemahaman konsep cahaya. Jurnal Penelitian Pendidikan, [S. l.], v. 13, n. 2, p. 196–200, 2013. DOI: 10.17509/jpp.v13i2.3432. Disponível em: https://ejournal-dppm.upi.edu/jpp/article/view/332. Acesso em: 1 aug. 2026.