Al-Saadi, E. S. H. ., & Shalash, M. J. A. . (2025). Effectiveness of Training in Different Natural Environments on Some Biomechanical Variables of Sprint Runners in (100m, 200m, 400m) Events. Indonesian Journal of Physical Education and Sport Science, 5(1), 113-124. https://doi.org/10.52188/ijpess.v5i1.1105