حميد فرقد فرحان 2025. The Effectiveness of a Training Program Based on the Competitive Play Method According to Training Load Fluctuation in Developing the Accuracy of Block Performance in Volleyball Juniors. Wasit Journal of Sports Sciences. 25, الثالث (Sep. 2025), 513–528. DOI:https://doi.org/10.31185/wjoss.951.