PPP Contracts: Amendments to PPP Projects Based on Experience in Flanders journal article Steven Van Garsse, Erik Van den Broek, Jeroen Buyck European Procurement & Public Private Partnership Law Review, Volume 11 (2016), Issue 2, Page 111 - 118
Estimated Value vs Final Contract Value in Works Public Procurement – What Causes the Discrepancy? Marko Turudić, Melko Dragojević