POLIAKOV, Andrii. METHODOLOGY OF INDEPENDENT TRAINING OF A BJJ ATHLETE: A TRAINING SYSTEM WITHOUT A PERMANENT COACH. The American Journal of Interdisciplinary Innovations and Research, [S. l.], p. 01–29, 2026. DOI: 10.37547/tajiir/book-01. Disponível em: https://www.theamericanjournals.com/index.php/tajiir/article/view/7270. Acesso em: 13 mar. 2026.