00314nam a2200133 a 450000500170000002000150001708200180003210000180005024500280006825000080009626000230010430000250012763000280015220251202164301.0  a0706918029  a658.4033bKOT  aKothari, C.R.  aQuantitative techniques  a2nd  aDelhibVikasc1984  axvi, 552p, 22cm.bHB  aMathematical techniques