The effect of using three teaching strategies for conceptual change to address the misunderstanding of mathematical concepts among middle school students. Journal of the College of Basic Education, [S. l.], v. 21, n. 90, p. 417–440, 2022. DOI: 10.35950/cbej.v21i90.6911. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6911.. Acesso em: 8 may. 2025.