Epistemological Obstacles of Pre-Service Elementary Teachers in Understanding Fraction. International Journal of Studies in Education and Science, [S. l.], v. 7, n. 1, p. 78–112, 2026. DOI: 10.46328/ijses.6624. Disponível em: https://ijses.net/index.php/ijses/article/view/6624. Acesso em: 17 mar. 2026.