00272nam a2200097Ia 4500008004100000082002000041100001600061245004800077260003200125300001700157260128b        |||||||| |||| 00| 0 eng d  a338.9bSe495.TP  aSeth, M. L.  aTheory and practice of economic planningb/  aNew Delhi:bS. Chand,c1971  axvii, 668 p.