00419nam a2200145Ia 4500008004100000020001500041082001600056100002100072245007700093260004100170300000800211650001400219650002000233653002000253170901s1969    xx            000 0 und d  a0043301371  a338.9bL56P  aLewis, W. Arthur 0aPrinciples of Economic PlanningbA Study Prepared for the Fabian Society  aLondonbUnwin University Booksc1969  a128  aEconomics  aSocial sciences  aEconomic policy