Tebogo Mashifana, Tankiso Moloi, Maraka Lefera and Taelo Mathuloe

Prof Tebogo Mashifana is the Head of the Department of Chemical Engineering and Associate Professor, University of Johannesburg (UJ); Prof Tankiso Moloi is a Director, Johannesburg Business School, UJ; Ms Lefera Maraka is a Lecturer in the Business Management Department, Faculty of Management Sciences at the Central University of Technology; Mr Taelo Mathuloe is a UJ Alumni. The authors write in their personal capacities.