Du Toit, Peet J.; Kruger, P.E. (Pieter Ernst); Fowler, K.F.; Govender, Catherine; Clark, James R.(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2010-09)
Du Toit, Peet J.; Kruger, P.E. (Pieter Ernst); De Wet, K.B.; Van Vuuren, Bernard J.; Joubert, Annie M.; Lottering, Mona-Liza; Van Wyk, Gerrit J.U.(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2006-03)