Du Toit, Peet J.; Kruger, Ernst H.; Govender, Catherine; Henning, E.; Kleynhans, Michael; Wood, Paola Silvia; De Villiers, Nico P.; Van Rooyen, J.M.; Fletcher, Lizelle; Grant, C.C. (Catharina Cornelia)
(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2012-03)