Siddikov F. IMPROVING PHYSICAL FITNESS OF CHILDREN OF PRIMARY SCHOOL AGE BASED ON INCREASING PHYSICAL ACTIVIT. jah [Интернет]. 3 апрель 2023 г. [цитируется по 15 октябрь 2026 г.];3(4):5-7. доступно на: https://internationalbulletins.com/intjour/index.php/jah/article/view/463