00311nam a2200121Ia 4500008004100000082001500041100001300056245002800069250000900097260003900106300000600145650003800151150614s9999    xx            000 0 und d  a330  SET-P  aM L Seth  aPrinciples of Economics  aI ED  bLakshmi Narain Agarwal ,Agrac1996  a0  aPrinciples of Economics  M L Seth