علي شلال أ. ع. . (2022) “Measurement of mental formation and human intelligence ‘A follow-up review of its origin and development since 1801 ad’”, مجلة أبحاث الذكاء, 15(32), pp. 582–594. Available at: https://iru.uomustansiriyah.edu.iq/index.php/intel/article/view/377 (Accessed: 28 April 2024).