Bavaresco, Gustavo, Thiago Santos, Fernando Marinho Mezzadri, and Maria José Carvalho. “Volunteer Motivation in Sports Events in Brazil”. Journal of Physical Education 33, no. 1 (May 23, 2022): e-3337. Accessed September 17, 2025. https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/58337.