Jones, T. W., B. C. Shillabeer, J. H. Ryu, and M. Cardinale. “Influence of a Concurrent Strength and Endurance Training Intervention on Running Performance in Adolescent Endurance Athletes: An Observational Study”. Journal of Human Sport and Exercise, vol. 13, no. 4, Dec. 2018, pp. 843-57, doi:10.14198/jhse.2018.134.12.