ESCALERAS TRELLES, Jorge Luis. Recreational physical activity and spare time in adolescents . MENTOR revista de investigación educativa y deportiva , [S. l.], v. 5, n. 13, p. 301–317, 2026. DOI: 10.56200/mentor.v5i13.11279. Disponível em: https://revistamentor.ec/index.php/mentor/article/view/11279. Acesso em: 24 apr. 2026.