Silva, Milton Cézar da, Marina Kanthack Paccini, and Maria Fátima Glaner. “Health Related Physical Fitness of Adolescents from Different Economic Levels”. Journal of Physical Education 18, no. 2 (May 13, 2008): 199-206. Accessed September 14, 2025. https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/3276.