ІБРАГІМОВ, М. М. «The Philosophy of Sport» and the crisis of modern physical culture and sports world. Slobozhanskyi Herald of Science and Sport, [S. l.], n. 4(27), p. 229–236, 2011. Disponível em: https://journals.uran.ua/index.php/1991-0177/article/view/30382. Acesso em: 1 may. 2024.