Varela, María, Carolina Duarte, Isabel Salazar, Luisa Lema, and Julián Tamayo. “Physical Activity and Sedentary Behavior in College Youth from Colombian Cities: Practices, Motivations, and Resources”. Colombia Médica 42, no. 3 (1): 269-277. Accessed October 8, 2025. https://colombiamedica.univalle.edu.co/colombiamedica311/index.php/comedica/article/view/872.