Steyn, Adriana Aletta (Riana); Leonard, A.C. (Awie)(Department of Business Management, University of Pretoria & Academic Entrepreneurship Society of South Africa (AcES), 2012)
Pretorius, H.W. (Herman Walter); Leonard, A.C. (Awie); Strydom, Ian(Learning Information Networking and Knowledge (LINK) Centre, Graduate School of Public and Development, 2013)