Kelly, A. L., Côté, J., Jeffreys, M., Turnnidge, J. Julkaisussa Birth advantages and relative age effects in sport. Exploring organizational structures and creating appropriate settings (2021) “...Jeffreys, M....”
Jeffreys, M. A., De Ste Croix, M. B. A., Lloyd, R. S., Oliver, J. L., Hughes, J. D. Julkaisussa The Journal of Strength and Conditioning Research (2019) “...Jeffreys, M. A....”
Vinson, D., Padley, S., Croad, A., Jeffreys, M., Brady, A., James, D. Julkaisussa Journal of Sports Sciences (2013) “...Jeffreys, M....”