00438cam a22001572  4500001001100000005001700011008004100028040001500069050002000084100003400104245004100138250001200179260004500191300001100236650003300247000000197720151217151835.0070329s        xx            000 0 eng d  aKABUcKABU 0aHD87b.L49 19521 aLewis, W. Arthur.@000015110714aThe Principles of economic planning.  aNew ed.  aLondon :bUrwin University Books,c1952.  a128 p. 0aEconomic policy.@0000150092