عبد العباس علي ن. ., and رشيد الصيداوي أ. غ. . “Analysis of the First Intermediate Grade Mathematics Book According to the Skills of Productive Thinking”. مجلة أبحاث الذكاء, vol. 16, no. 34, Jan. 2023, pp. 367-80, https://iru.uomustansiriyah.edu.iq/index.php/intel/article/view/438.