Songco, J. A., & World Bank East Asia and Pacific Regional Office Poverty Reduction and Economic Management Sector Unit. (2002). Do rural infrastructure investments benefit the poor?: Evaluating linkages ; a global view, a focus on Vietnam. World Bank, Asia and Pacific Region, Poverty Reduction and Economic Management Sector Unit.

Songco, Jocelyn A., and World Bank East Asia and Pacific Regional Office Poverty Reduction and Economic Management Sector Unit. Do Rural Infrastructure Investments Benefit the Poor?: Evaluating Linkages ; a Global View, a Focus on Vietnam. Washington, D.C: World Bank, Asia and Pacific Region, Poverty Reduction and Economic Management Sector Unit, 2002.

Songco, Jocelyn A., and World Bank East Asia and Pacific Regional Office Poverty Reduction and Economic Management Sector Unit. Do Rural Infrastructure Investments Benefit the Poor?: Evaluating Linkages ; a Global View, a Focus on Vietnam. World Bank, Asia and Pacific Region, Poverty Reduction and Economic Management Sector Unit, 2002.