Martins, Júlio, Samuel Honório, and João Cardoso. “Niveles De condición física En Estudiantes Con Y Sin Capacidades De Entrenamiento – Un Estudio Comparativo En Clases De educación física (Physical Fitness Levels in Students With and Without Training Capacities – A Comparative Study in Physical Education Classes)”. Retos 47 (January 2, 2023): 43–50. Accessed December 16, 2025. http://www.revistaretos.org/index.php/retos/article/view/94656.