Casierra Cárdenaz, Wilman Mauricio, and Wilson Hernando Bravo Navarro. 2023. “Levels of Physical Activity Based on Age, Gender, and Stages of Change in Adolescents”. Explorador Digital 7 (4.1), 21-40. https://doi.org/10.33262/exploradordigital.v7i4.1.2756.