الدفاعي عبدالستار خضير عباس, and الموسوي علي حسين سعيد. “The Magnitude of the Effect of Simultaneous Training in Developing Some Bio-Motor Abilities and Performing the Front Circular Kick for Taekwondo Youth”. Wasit Journal of Sports Sciences, vol. 24, no. 2, June 2025, pp. 768-84, https://doi.org/10.31185/wjoss.858.