Du Toit, Peet J.; Kruger, P.E. (Pieter Ernst); De Wet, K.B.; Van Vuuren, Bernard J.; Van Heerden, Hendrik J.; Janse van Rensburg, Dina Christina(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2006-03)
Van Wyk, Marelize; Wingfield, Brenda D.; Clegg, P.A.; Wingfield, Michael J.(Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
Duvel, G.H. (Gustav Heinrich)(South African Society for Agricultural Extension, Department of Agricultural Ecomomics, Extension and Rural Development, University of Pretoria, 2007)
Tobin, Peter K.J.; Snyman, M.M.M. (Maria Magdalena Margaretha)(Department of Knowledge and Information Management, University of Johannesburg, 2004-09)
Niemann-Struweg, Ilse; Meintjes, Corne; Grobler, Anske F.(Unit for Community Communication, Dept of Communication and Information Studies, University of the Free State, 2007)
Page, J.A. (Jennifer Ann); Ebersohn, L. (Liesel); Rogan, John M.(Southern African Association for Research in Mathematics, Science and Technology Education, 2006-03)