Castro-Sánchez, Manuel, Félix Zurita-Ortega, Ramón Chacón-Cuberos, and Antonio Miguel Lozano-Sánchez. 2019. “Clima Motivacional Y Niveles De Ansiedad En Futbolistas De categorías Inferiores (Motivational Climate and Levels of Anxiety in Soccer Players of Lower Divisions)”. Retos 35 (January): 164-69. https://doi.org/10.47197/retos.v0i35.63308.