Fombad, Madeleine C.; Boon, J.A. (Johannes Anton); Bothma, T.J.D. (Theodorus Jan Daniel)(Department of Knowledge and Information Management, University of Johannesburg, 2009-06)
Van Zyl, Anthea; Amadi-Echendu, J.E. (Joe); Bothma, T.J.D. (Theodorus Jan Daniel)(Department of Knowledge and Information Management, University of Johannesburg, 2007-03)