Dirkse van Schalkwyk, Riaan, and Rigard Steenkamp. “A CONCEPTUAL AND CASE STUDY REVIEW OF THE QUADRUPLE HELIX MODEL OF INNOVATION”. The South African Journal of Industrial Engineering 35, no. 2 (August 30, 2024): 49–62. Accessed October 12, 2024. https://sajie.journals.ac.za/pub/article/view/2908.