The effect of a proposed strategy in thinking on the achievement and deductive thinking of first-grade students in middle school in mathematics. Journal of the College of Basic Education, [S. l.], v. 28, n. 114, p. 54–77, 2022. DOI: 10.35950/cbej.v28i114.5389. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5389.. Acesso em: 3 jul. 2024.