جبر ام, عبدحمزة مق. The Effectiveness strategies (Orielly) & (Polya) in Achievement in the Science of Second grade Students is average. Journal of the College of Education for Girls for Humanities [Internet]. 2019 Sep. 28 [cited 2026 Jul. 24];3(24):177-98. Available from: https://journal.uokufa.edu.iq/index.php/ewjh/article/view/8968