Mathematical structure among students of the mathematics department in the faculties of basic education. Journal of the College of Basic Education, [S. l.], v. 28, n. 116, p. 49–64, 2022. DOI: 10.35950/cbej.v28i116.6032. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6032.. Acesso em: 23 jul. 2024.