Firiţeanu, Vasile, and Marius Dima. “Experimental Study on Speed Developement in Children of 14-15 Years, Practicing the Football Game”. Annals of “Dunarea de Jos” University of Galati. Fascicle XV, Physical Education and Sport Management 1 (July 31, 2013): 52-57. Accessed May 19, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/efms/article/view/109.