-, .-.; -, .-. Investigating the Effect of Denies Model in Developing Mathematical Skills for Fifth Primary Grade Pupils. College of Basic Education Research Journal, [S. l.], v. 15, n. 1, p. 97–142, 2018. DOI: 10.33899/berj.2018.Vol15.Iss1.38478. Disponível em: https://berj.uomosul.edu.iq/index.php/berj/article/view/38478. Acesso em: 3 nov. 2025.