سليمان حسين ع. The Effective of Repeating Recall in Organization of Memory in Pupils at Primary Stage. College of Basic Education Research Journal, [S. l.], v. 3, n. 4, p. 146–166, 2007. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/38599. Acesso em: 26 oct. 2025.