EFFECTIVENESS OF GYMNASTIC ACTIVITY IN THE PHYSICAL DEVELOPMENT OF PRIMARY CLASS STUDENTS OF GENERAL EDUCATIONAL INSTITUTIONS. Scientific journal of the Fergana State University, [S. l.], v. 31, n. 1, p. 20, 2025. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/5429. Acesso em: 9 jan. 2026.