REYNOSO-ALCÁNTARA, Vicenta; VERGARA LOPE TRISTÁN, Samana. Physical, mental and social effort in leisure activities: scale of assessment for Mexican Youth. Acta Universitaria, [S. l.], v. 27, n. 4, p. 44–51, 2017. DOI: 10.15174/au.2017.1664. Disponível em: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/1664. Acesso em: 5 may. 2026.