1. Academy of Science of South Africa. (2010). The PhD study: An evidence-based study on how to meet the demands for high-level skills in an emerging economy. Pretoria: Academy of Science of South Africa.
2. Amin, S. (1997). Capitalism in the age of globalisation. London, UK: Zed Books.
3. Bhagwati, J. (2007). In defense of globalization. New York, NY: Oxford University Press.
4. Blakers, R., Bill, A., Maclachlan, M., & Karmel, T. (2003). Mobility: Why do university students move? Occasional Paper series, no. 03-A. Canberra: Research Analysis and Evaluation Group, Department of Education, Science, and Training, Commonwealth of Australia.
5. Boud, D., & Tennant, M. (2006). Putting doctoral education to work: Challenges to academic practice. Higher Education Research and Development, 25(3), 293–306.