AHMED AL-HAYALI, omar; عمر; MOHAMMED ABDUL-ALLAH, A.; اياد. The effect of simultaneous and sequential exercises of the phosphagen and lactate energy systems on a number of physical and functional variables and achievement in the 200-meter sprint for juniors. Al-Rafidain Journal For Sport Sciences (RJSS), [S. l.], v. 26, n. 81, p. 341–382, 2025. DOI: 10.33899/rjss.2023.140177.1185. Disponível em: https://ojs.uomosul.edu.iq/index.php/rjss/article/view/11418. Acesso em: 4 aug. 2025.