Swanepoel, A.C. (Albe Carina); Bester, Janette; Emmerson, Odette; Soma, Prashilla; Beukes, Derylize; Van Reenen, Mari; Loots, Du Toit; Du Preez, Ilse(Mary Ann Liebert, 2020-07)
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)