المندلاويم. د. ضياء, and سعدم. علي. 2021. “The Impact of (Reap&Hayes) Strategies on Acquiring Historical Concepts and Scientific Thinking for First Middle School Graders”. مجلة أبحاث الذكاء 14 (30), 238-64. http://iru.uomustansiriyah.edu.iq/index.php/intel/article/view/290.