Laidi , Abderrahim, and Saad Sedira. “ Propose A Training Program Based On Training Method (mixed - Repetitive) During The Competition Phase And Its Effectiveness To Developing The Speed For Football Players (u13) ”. Sports Creativity, vol. 13, no. 02, Dec. 2025, pp. 533-52, https://journals.univ-msila.dz/index.php/JOSC/article/view/626.