00276nam a2200109 a 450000500170000002000180001708200130003510000150004824500320006326000480009530000230014320251203111404.0  a9788131705629  a004bDRO  aDromey R G  aHow to solve it by computer  aNew DelhibPearson educationc2006 - R 2009  axxi,442p.24cm.cPB