1. Handbook for integrating poverty impact assessment in the economic analysis of projects;Asian Development Bank,2001
2. Austroads. (2003). Valuing Environmental and Other Externalities. Report R229/03. Sydney, NSW.
3. Proposal for harmonised guidelines, HEATCO - Developing Harmonised European Approaches for Transport Costing and Project Assessment, Deliverable 5; prepared for the European Commission;Bickel,2006
4. Economic cost of motor vehicle crashes 2000, National Highway Traffic Safety Administration;Blincoe,2002
5. Evaluation of the Appalachian Regional Commission's Infrastructure and Public Works Program;Brandow Company and Economic Development Research Group,2007