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)
Tsanwani, Avhasei Richard; Harding, Ansie; Engelbrecht, Johann; Maree, J.G. (Kobus)(Southern African Association for Research in Mathematics, Science and Technology Education, 2014)