00312nam a2200133Ia 4500020001800000082001000018100001900028245006400047250000800111260003600119300000800155500000900163650000600172  a0-19-520869-2  a330.9  aThe World Bank 0aWorld Development Report 1991: The Challenge of Development  a1st  aOxfordbOxford University Press  a290  a4156  a-