فهرس المقالات Performance Accuracy حرية الوصول المقاله صفحة الملخص نص كامل 1 - The Effect of Teacher’s Instructional Language Types on Intrinsic Motivation, Self- Efficacy, and Performance Accuracy in A Darts Throwing Skill Fatemeh Ghanaatian Jahromi Saeed Arsham Rasoul Yaali