1. Vlachou A. Environment and natural resources. Economic theory and policy, Vol. A′. Athens: Kritiki; 2001 (in Greek).
2. Ministry of Development. First report on long-term energy planning in Greece 2008–2020. Part I. Athens; 2007 (in Greek).
3. Infrastructure project finance and capital flows: a new perspective;Dailami;World Development,1998
4. Reassessing risk in developing country infrastructure;Doh;Long Range Planning,2003
5. Socio-economic evaluation of investments and policies;Mergos,2007