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The relative economic position of migrants and natives in Colombia : an economic analysis of the 1973 census sample
Ribe, Helena, (1983)
The Modernization of the agricultural sector and rural-urban migration in Colombia
Sandilands, Roger J., (1971)
El movimiento de la población colombiana
Angulo, Alejandro, (1969)
Labor Market Policy In Developing Countries : A Selective Review of The Literature And Needs For The Future
Fields, Gary S., (2007)
Poverty, inequality, and development
Fields, Gary S., (1980)
Distribution and development : a new look at the developing world
Fields, Gary S., (2001)