Agarwal, D R. Quantitative methods / D R Agarwal. - 4th rev ed / . - Delhi : Vrinda Publications , 1999. - viii,1361p. : Ills.,figs.,tables etc. ; 23cm. . NULL ISBN: 8182810256 RS300.00 Subjects--Index Terms: QUANTITATIVE METHODS Dewey Class. No.: 545.08 / AGA/Q