Instructor Riyadh Jassim Mohammed (2024) “ANALYTICAL STUDY OF SOME STEP VARIABLES AND RATE SPEED RUNNING THE 200-METER EFFICIENCY CURVE AND ACHIEVEMENT”, European Scholar Journal, 5(4), pp. 13-21. Available at: https://scholarzest.com/index.php/esj/article/view/4480 (Accessed: 7April2025).