JUSTIFICATION OF THE WORK OF A MOBILE APPLICATION FOR THE IMPLEMENTATION OF PRIMARY SELECTION FOR ENGAGEMENT IN VARIOUS SPORTS. Physical Culture and Sport: Scientific Perspective, [S. l.], v. 2, n. 1, p. 321–327, 2025. DOI: 10.31891/pcs.2025.1(1).107. Disponível em: https://pcs.khmnu.edu.ua/index.php/pcs/article/view/332. Acesso em: 27 jan. 2026.