MAROUF, Said. “ Effect Of Training In Zone 5 (redline Zone) On Developing Repeated-Sprint Ability (rsa) In U19 Football Players”. Journal of Sport Science Technology and Physical Activities 18, no. 1 (June 1, 2021): 143–153. Accessed January 14, 2026. https://revue.univ-mosta.dz/index.php/jsstpa/article/view/392.