بن كريمة بوحفص. The extent to which individual differences in mental abilities at the primary level A Field Study in Ouargla City. Human Resources Development Research, [S. l.], v. 17, n. 03, p. 617–639, 2026. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/512. Acesso em: 3 nov. 2026.