Vargas Vitoria, Rodrigo. “Physical Education Tendencies, Specific Field and Cientific Dimension and Its Educational Participation”. Revista Ciencias de la Actividad Física UCM 1, no. 1 (August 3, 1998): 20-29. Accessed October 31, 2025. http://200.9.234.116/index.php/revistacaf/article/view/1019.