00285nam a2200121Ia 4500008004100000100001300041245002800054260003700082300000900119650001300128942000700141999001500148190216s9999||||xx |||||||||||||| ||und||  aSeth M L 0aPrinciples Of Economics  bLakshmi Narain Agarwal Pubc1972  a708p  aCommerce  cBK  c3982d3982