Zarauz Sancho A, Ruiz-Juan F, Flores-Allende G. Compromiso con el entrenamiento y competición de los maratonianos según variables socio-demográficas (Commitment to training and competition of Marathoners as socio-demographic variables). Retos [Internet]. 2014 Jul. 1 [cited 2026 Jun. 10];26:118-21. Available from: https://revistaretos.org/index.php/retos/article/view/34412