00429nam a22001337a 4500020001800000082001300018100001700031245005000048260004200098300002000140942000700160999001900167952010900186  a9788131701867  a658.4033  aP.C. Tulsian  aQuantitative techniques : theory and problems  aNew DelhibDorling kinderseleyc2006.  adifferent pages  cBK  c350009d350009  00102ddc40708NFICaCLbCLcGENd2015-08-05l0o657.076 TUL 2015pNBS9240r2015-08-06w2015-08-05yBK