HUANG, Chia-Ling; CHANG, Hao-Ging; LI, Rong-Kwei  and  TSAI, Chih-Hung. Using game and statistical analysis to confirm Goldratt's logical analysis of poor delivery in a multi-project environment. S. Afr. J. Ind. Eng. [online]. 2011, vol.22, n.2, pp.133-150. ISSN 2224-7890.