THE THEORETICAL-METHODOLOGICAL SIGNIFICANCE OF THE STAGES OF THE MULTI-YEAR TRAINING SYSTEM IN THE SPORTS SELECTION PROCESS. Western European Journal of Modern Experiments and Scientific Methods, [S. l.], v. 4, n. 02, p. 27–31, 2026. Disponível em: https://westerneuropeanstudies.com/index.php/1/article/view/3317. Acesso em: 8 may. 2026.