00322nam a2200121 a 450000500170000008200180001710000160003524500450005126000230009630000280011963000270014763000260017420251203091015.0  a510.2433bMON  aMonga, G S.  aMathematics and statistics for economics  aDelhibVikasc1972  axiv, 624p.b22 cm.cPB.  aMathematics, economics  aStatistics, Economics