AHMED AL-HAYALI, omar; أیاد; MOHAMMAD ABDULLAH, A.; عمر. The impact of concurrent and sequential training of the phosphagen and lactate energy systems on several functional variables and the performance in the 200-meter sprint for juniors. Al-Rafidain Journal For Sport Sciences (RJSS), [S. l.], v. 27, n. 85, p. 561–600, 2025. DOI: 10.33899/rjss.2024.185349. Disponível em: https://ojs.uomosul.edu.iq/index.php/rjss/article/view/11074. Acesso em: 4 aug. 2025.