Hattingh, Erns, Cornelis van Waveren, and Kai-Ying Chan. “A LEARNING CURVE THEORY PERSPECTIVE ON PROJECTS. RANKING THE KEY DETERMINANTS TO IMPROVE PROJECT EFFICIENCY”. The South African Journal of Industrial Engineering 30, no. 1 (May 29, 2019): 37–53. Accessed May 2, 2024. http://sajie.journals.ac.za/pub/article/view/1886.