Mustafa, Ibrahim M. “Effect of The Percentage of The Contribution of Some Factors in The Implementation of The Lesson of Physical Education: For Middle Schools in Erbil Governorate”. Koya University Journal of Humanities and Social Sciences 2, no. 2 (December 29, 2019): 117-121. Accessed May 2, 2024. https://jhss.koyauniversity.org/index.php/jhss/article/view/132.