ناصر یوسف; رياض علي الراوي. The effect of biorhythm cycles (physical, psychological and mental) on the athletic achievement . Journal of Sport Science Technology and Physical Activities, [S. l.], v. 14, n. 1, p. 69–86, 2017. Disponível em: https://revue.univ-mosta.dz/index.php/jsstpa/article/view/342. Acesso em: 1 mar. 2026.