“Using High-Intensity Interval Training Exercises to Improve Speed and Its Impact on Passing the Fitness Test for Basketball Referees”. Journal of the College of Basic Education 17, no. 67 (December 17, 2022): 5–20. Accessed July 18, 2024. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7906.