Psacharopoulos, George. Higher education in developing countries : a cost-benefit analysis - Washington : The World Bank, 1980 - 129 p. : gráfs. - World Bank staff working paper ; 440 . - World Bank staff working paper ; 440 . LCCN: 59270 Subjects--Topical Terms: Educación superior--Países subdesarrollados. Dewey Class. No.: 378 / P8