بن كريمة بوحفص (2026) “The extent to which individual differences in mental abilities at the primary level A Field Study in Ouargla City”, Human Resources Development Research, 17(03), pp. 617–639. Available at: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/512 (Accessed: 3 November 2026).