“THE THEORETICAL-METHODOLOGICAL SIGNIFICANCE OF THE STAGES OF THE MULTI-YEAR TRAINING SYSTEM IN THE SPORTS SELECTION PROCESS” (2026) Western European Journal of Modern Experiments and Scientific Methods, 4(02), pp. 27–31. Available at: https://westerneuropeanstudies.com/index.php/1/article/view/3317 (Accessed: 8 May 2026).