Mathematical logic and its relationship to achievement and mathematical proof in topology among students of the College of Basic Education. Journal of the College of Basic Education, [S. l.], v. 28, n. 115, p. 377–394, 2022. DOI: 10.35950/cbej.v28i115.5821. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5821.. Acesso em: 15 may. 2025.