Effects of different combinations of strength, power, and plyometric training on the physical performance of elite young soccer players - Kobal, Ronaldo; Loturco, Irineu; Barroso, Renato; Gil, Saulo; Cuniyochi, Rogerio; Ugrinowitsch, Carlos; Roschel, Hamilton; Tricoli, Valmor Alberto Augusto (Journal of Strength and Conditioning Research, 2017)