Martins, João, Adilson Marques, Miguel Peralta, António Palmeira, and Francisco Carreiro da Costa. “Correlates of Physical Activity in Young People: A Narrative Review of Reviews. Implications for Physical Education Based on a Socio-Ecological Approach (Correlatos De Actividad física En jóvenes: Una revisión Narrativa De Revisiones. Implicaciones Para”. Retos 31 (January 1, 2017): 292–299. Accessed December 16, 2025. http://207.180.252.49/index.php/retos/article/view/53505.