Prokhorenko A.A., Antonov A.V., Kolesnikov N.V., Striga S.I. Implementation of additional educational programs for schoolchildren in swimming training. TPPC [Internet]. 2025 Oct. 5 [cited 2025 Dec. 5];(9):11-4. Available from: http://www.tpfk.ru/index.php/TPPC/article/view/1446