00657cam a2200217 i 45000010008000000030008000080050017000160080041000330100017000740150015000910200015001060400027001210500021001480820015001691100020001842450082002042600039002863000025003256500047003506500042003971749281BD-DhUL20170423103506.0750811s1967    enk cf   b    011 0 eng d  a   75321339   aGB74-28685  a0333149769  aDLCcDLCdDLCdBD-DhUL00aHD82b.E282 197400a330.9bUNC1 aUnited Nations.00aEconomic development and planning :bworld Economic survey 1966-part Two /c   aNew York :bUnited Nations,c1967.  a45 p ;  :b c23 cm. 0aEconomic developmentxMathematical models. 0aEconomic policyxMathematical models.