Menéndez Santurio, José Ignacio, and Javier Fernández-Río. “Estudio Longitudinal De Un Kickboxer De élite Durante Su preparación Para Los Campeonatos De Europa (Longitudinal Study of an Elite Kickboxer During His Preparation for the European Championship)”. Retos 35 (January 1, 2019): 20–24. Accessed December 16, 2025. http://revistaretos.org/index.php/retos/article/view/62318.