“The Effect of Plyometric Training With Extra Weights On the Development of Some Physiological Varisbilities of Football Player- Juniors”. Journal of University of Raparin 12, no. 3 (June 29, 2025): 803–829. Accessed July 5, 2025. https://journal.raparinuni2024.org/index.php/JUR/article/view/2215.