ISLAMOV , I. S. IMPROVING THE START TECHNIQUE OF BREASTFEED AND BUTTERFLY SWIMMERS IN THE SPORTS IMPROVEMENT GROUP. Mental Enlightenment Scientific-Methodological Journal, [S. l.], v. 4, n. 6, p. 93–97, 2023. DOI: 10.37547/mesmj-V4-I6-15 . Disponível em: https://mentaljournal-jspu.uz/index.php/mesmj/article/view/319. Acesso em: 21 nov. 2024.