Grobbelaar, S.S., and A.J. Buys. “ISSUES FACING THE SOUTH AFRICAN RESEARCH AND DEVELOPMENT SYSTEM IN THE NEXT 20 YEARS”. The South African Journal of Industrial Engineering 18, no. 2 (November 5, 2011). Accessed April 26, 2024. http://sajie.journals.ac.za/pub/article/view/128.