Analysis of the third intermediate grade mathematics book according to productive thinking skills. Journal of the College of Basic Education, [S. l.], v. 29, n. 118, p. 866–846, 2023. DOI: 10.35950/cbej.v29i118.10247. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/10247.. Acesso em: 24 jun. 2026.