00420nam a22001337a 450000500170000000800410001704000230005808200200008110000210010124500840012226000420020630000170024865000210026520240425112254.0240425b1979    un ||||| |||| 00| 0 eng d  aBD-DhBPAcBD-DhBPA  a338.9bLED 1979  aLewis, W.Arthur.  aDevelopment planning b:the essentials of economic policy.cby W. Arthur Lewis.  aLondon:bGeorge Allen & Unwin,c1979.  a278p.c21cm.  aEconomic policy.