Silva, Alan Camargo, and Jaqueline Ferreira. “Physical Education Professionals in Fitness Centers: The Corporal Pain Like Labor Performance”. Journal of Physical Education 28, no. 1 (June 29, 2017): e-2845. Accessed September 13, 2025. https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/30091.