Grobbelaar, Heinrich W.; Malan, Dawie D.J.; Steyn, B.J.M. (Barend Johannes Marthinus); Ellis, Suria M.(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2011-12)
Young, M.E.M; Goslin, Anneliese E. (Anna Elizabeth); Potgieter, N.; Nthangeni, S.; Modise, J.(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2011-06)