00310n   a2200133 a 4500000002100000001000700021005001700028082002200045100002300067245002500090250000800115260004500123300000800168B B                 01450320220201182617.0  a330.068bP2;1 ECO  aPetersen, H. Craig  aManagerial Economics  a4th  aNew DelhibPrentice- Hall of Indiac2002  a672