Black, Richard, King, Russell, y Tiemoko, Richmond (2003), &quot; Migration, return and small enterprise development in Ghana: A route out of poverty? &quot; , International Workshop on Migration and Poverty in West Africa, Universidad de Sussex (Reino Unido), 13 y 14 de marzo de 2003.
Bhagwati, Jagdish (1991), &quot; International migration and income taxation &quot; , Political Economy and International Economics, vol. 18 (August).