WAYS TO SOLUTION THE PROBLEM OF PHYSICAL INACTIVITY IN SCHOOLCHILDREN BY IMPLEMENTING A SYSTEM OF MASS SPORTS . International Scientific Journal Alfraganus, [S. l.], v. 2, n. 2, p. 12–16, 2024. DOI: 10.63294/isja/vol2iss2/%x. Disponível em: https://journals.afu.uz/index.php/isja/article/view/33. Acesso em: 11 feb. 2026.