1. A Guide to Guidance - Sourcebook for PPPs in TEN-Transport, European PPP Expertise Centre (EPEC), European Investment Bank
3. Presentation on Management of Financial Close and Long-Term Bankability of PPP Projects, Robert Sheppard, Infrastructure Experts Group, Washington, DC,17 December,2008
4. Public-Private Partnerships Reference Guide Version 1.0, World Bank Institute, The World Bank, Washington DC, PPIAF, 2012
5. Public Private Partnerships - A Financier's Perspective, Economic and Social Commission for Asia and the Pacific, Transport Policy and Tourism Section, Transport and Tourism Division, UN ESCAP.