NACER YOUCEF. The effect of biorhythm cycles on the athletic achievement among 400m sprinters. sports creativity, [S. l.], v. 9, n. 01, p. Volume 9, Numéro 1, Pages 91–103, 2025. Disponível em: https://journals.univ-msila.dz/index.php/JOSC/article/view/3126. Acesso em: 24 dec. 2025.