1. Department of Industrial Engineering, Stellenbosch University, South Africa
2. Department of Industrial Engineering, Stellenbosch University, South Africa and
DSI-NRF Centre of Excellence in Scientometrics and Science, Technology and Innovation Policy (SciSTIP), Stellenbosch University, South Africa
3. Next Generation Enterprises and Institution cluster, Council for Scientific and Industrial Research (CSIR), South Africa and
Department of Industrial Engineering, Stellenbosch University, South Africa