-, .-.; -, .-. 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. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/38478. Acesso em: 26 oct. 2025.