Development of Five-Step Diagnostic Test on Light Wave Concepts to Analyze Students’ Understanding Map on The Concepts. Radiasi : Jurnal Berkala Pendidikan Fisika, [S. l.], v. 15, n. 1, p. 43–59, 2022. DOI: 10.37729/radiasi.v15i1.1754. Disponível em: https://jurnal.umpwr.ac.id/index.php/radiasi/article/view/1754. Acesso em: 1 sep. 2026.