Effect of progressive volume-based overload during plyometric training on explosive and endurance performance in young soccer players - Ramirez-Campillo, R.; Henriquez-Olguin, C.; Burgos, C.; Andrade, D. C.; Zapata, D.; Martinez, C.; Álvarez, C.; Baez, E. I.; Castro-Sepúlveda, M.; Peñailillo, L.; Izquierdo, M. (The Journal of Strength and Conditioning Research, 2015)