Maree, J.G. (Kobus); Gerryts, Erna W.; Fletcher, Lizelle; Olivier, Joyce(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2019)
Botha, Hanlie; Maree, J.G. (Kobus); Stols, Gerrit Hendrikus(Faculty of Education, University of the Free State (since April 2010) For older articles: Faculty of Education, University of Pretoria, 2013-12)