Hassan, Ismail; Ramagole, Dimakatso Althea; Janse van Rensburg, Dina Christina; Grant, C.C. (Catharina Cornelia); Collins, Robert Matthew(Health and Medical Publishing Group, 2010-07)
Grant, C.C. (Catharina Cornelia); Janse van Rensburg, Dina Christina; Collins, Robert Matthew; Wood, Paola Silvia; Du Toit, Peet J.(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2012-03)