Maree, J.G. (Kobus); Hislop-Esterhuysen, Natalie; Swanepoel, Andre; Van der Linde, Michael J. (Mike)(Suid Afrikaanse Akademie vir Wetenskap & Kuns, 2008-03)
Tsanwani, Avhasei Richard; Harding, Ansie; Engelbrecht, Johann; Maree, J.G. (Kobus)(Southern African Association for Research in Mathematics, Science and Technology Education, 2014)