Venero Valenzuela, Juan Pablo. “La Clase De Educación Física Como Motor De Cambio Social. Reflexionando Sobre Actividades En La Naturaleza, Curriculum Oculto Y Valores (Physical Education Class As a Vehicle of Social Change. With Regards to Outdoor Activities, Hidden Curriculum and”. Retos 11 (January 1, 2007): 51–53. Accessed September 23, 2025. http://207.180.252.49/index.php/retos/article/view/35048.