Woudstra, Marit Helen; Janse van Rensburg, Estie; Visser, M.J. (Maretha Johanna); Jordaan, J.C. (Joyce)(Education Association of South Africa, 2018-02)
Asanbe, Comfort; Visser, M.J. (Maretha Johanna); Moleko, Anne Gloria; Makwakwa, Catherine(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2021)
Steyn, B.J.M. (Barend Johannes Marthinus); Steyn, Margaretha Helena; Maree, David J.F.; Panebianco-Warrens, Clorinda Rosanna(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2015-06)