Jadán-Taday, Miguel, and Santiago Jarrín-Navas. “Factors Associated With Low Physical Activity in Adolescents in the Rural Area of Portovelo”. CIENCIAMATRIA 7, no. 3 (December 1, 2021): 686-701. Accessed May 19, 2024. https://www.cienciamatriarevista.org.ve/index.php/cm/article/view/617.