Psacharopoulos, George. Higher education in developing countries : a cost-benefit analysis / prepared by George Psacharopoulos. - Washington, DC : The World Bank, c1980. - World Bank staff working paper. no.440 World Bank staff working paper. no.440 . Cover title. "November 1980." Bibliography: p. 66-72. Subjects--Topical Terms: Education, Higher -- Developing countries.--Education, Higher -- Developing countries.