Prof. Dr.-Ing. Klaus Richter and Jonas Baumann (2025) “From Vision to Verdict: A Longitudinal Analysis of Cost Escalation and Risk Management in the Stuttgart 21 Megaproject”, International Journal of Economics Finance & Management Science, 10(09), pp. 1–13. Available at: https://scientiamreearch.org/index.php/ijefms/article/view/171 (Accessed: 15 September 2025).