The Physical activity. A study at the University of Guayaquil. RIAF. International Journal of Physical Activity, [S. l.], v. 1, n. 1, p. 1–14, 2023. DOI: 10.53591/riaf.v1i1.5. Disponível em: https://revistas.ug.edu.ec/index.php/riaf/article/view/5. Acesso em: 5 dec. 2025.