00297cam a22001097a 4500008004000000082001300040100001500053245006000068260003100128300001400159650001400173180718b1958   xxu||||| |||| 00| 0 eng d  aT1 Se75m  aSeth, M.L.  aNature and technique of economic analysiscby M.L. Seth  aAgrabLakshmi Narainc1958  axiv,347p.  aEconomics