The mathematical structure of the students of the College of Basic Education. Journal of the College of Basic Education, [S. l.], v. 16, n. 62, p. 501–528, 2022. DOI: 10.35950/cbej.v13i62.7255. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7255.. Acesso em: 20 jul. 2024.