00443nam a2200133Ia 4500082002200000100010600022240005800128245008500186260001600271300000600287500000500293653000600298700000500304  a330.6373bC748.PC  aConference on "Economic growth and investment in education", O. E. C. D. Washington, Oct. 16-20, 1961  aOrganisation for Economic cooperation and development  aPolicy conference on economic growth and investment in education ; proceedingsb  aParisbOECD  a   a  a   a