Топорков Олександр Миколайович (Alexander T. Research of level of psychological preparedness of 30–40 years old tourists skiers in the preparation period. Slobozhanskyi Herald of Science and Sport, [S. l.], n. 2(46), p. 201–204, 2015. DOI: 10.15391/snsv.2015-2.038. Disponível em: https://journals.uran.ua/index.php/1991-0177/article/view/41993. Acesso em: 28 apr. 2024.