1. Boshoff, N. & Mouton, J. (2003). Science policy indicators. In B. Kraak, & H. Perold (Eds.),Human resources development review, education, employment and skills in South Africa. Cape Town, South Africa: HSRC Press.
2. Gardñuo, E. (2004).South African university technology transfer: A comparative analysis. Washington, DC: International Intellectual Property Institute (IIPI).
3. Pakes, A. & Griliches, Z. (1980).Patents and R&D at the firm level: A first look(NBER Working Paper No. 0561). Cambridge, MA: National Bureau of Economic Research.
4. Schwab, K. (2011).The global competitiveness report 2010–2011. Geneva, Switzerland: World Economic Forum.
5. Sibanda, M. (2009). Intellectual property, commercialisation and institutional arrangements at South African public research institutions. In D. Kaplan (Ed.),The economics of intellectual property in South Africa. Cape Town, South Africa: World Intellectual Property Organisation.