00270nam a2200109 a 450000500170000002000150001708200200003210000170005224500400006926000270010930000240013620251203111019.0  a8174730281  a330.015195bALL  aAllen, R.G.D  aMathematical analysis for economics  aDelhibA.I.T.B.Sc2006  axv,548p.c22cm.cPB