Du Toit, Peet J.; Kruger, P.E. (Pieter Ernst); De Wet, K.B.; Van Vuuren, Bernard J.; Van Heerden, Hendrik J.; Janse van Rensburg, Dina Christina(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2006-03)
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)
