Griffiths, B., Grant, J., Langdown, L., Gentil, P., Fisher, J., & Steele, J. (2019). The effect of in-season traditional and explosive resistance training programs on strength, jump height, and speed in recreational soccer players. Research quarterly for exercise and sport, 90(1), S. 95-102. doi:10.1080/02701367.2018.1563276

Griffiths, Brad, James Grant, Louis Langdown, Paulo Gentil, James Fisher, and James Steele. "The Effect of In-season Traditional and Explosive Resistance Training Programs On Strength, Jump Height, and Speed in Recreational Soccer Players." Research Quarterly for Exercise and Sport 90, no. 1 (2019): S. 95-102.

Griffiths, Brad, et al. "The Effect of In-season Traditional and Explosive Resistance Training Programs On Strength, Jump Height, and Speed in Recreational Soccer Players." Research Quarterly for Exercise and Sport 90.1 (2019): S. 95-102.