Using the Classroom Practice Diagnostic Framework (CPDF) to Investigate Teaching Difficulties of a Physics Topic. Mediterranean Journal of Social Sciences, [S. l.], v. 4, n. 3, p. 637, 2013. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/520.. Acesso em: 2 may. 2024.