Zerf, Mohammed, Mohamed Arab. Kerroum, and Bouabdellah S.B.A. “Relationship Between Power Strength and Anaerobic Power Index As a Clear Picture of the Effect of Strength Training Among Young Soccer Elite Players”. Slobozhanskyi Herald of Science and Sport, no. 2(70) (April 30, 2019): 80–85. Accessed May 3, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/165614.