НАРИЖНИЙ, В. О. Methods of Strength Development in Middle Schoolers. Physical Education Theory and Methodology, [S. l.], n. 2, p. 26–31, 2015. DOI: 10.17309/tmfv.2015.2.1139. Disponível em: https://tmfv.com.ua/journal/article/view/1139. Acesso em: 8 jul. 2026.