STRIKALENKO, E. Comparison of economic activity leading U.S. sports leagues. Pedagogics, psychology, medical-biological problems of physical training and sports, [S. l.], v. 17, n. 3, p. 69–72, 2013. Disponível em: https://sportpedagogy.org.ua/index.php/PPS/article/view/578. Acesso em: 28 mar. 2024.