00292nam a2200109 a 450000500170000000800410001704100080005810000200006624500650008626400250015130000060017620260717100947.0260717s2003    ii            000 0 eng d  aeng1 aAggrawal, B. M.10aFor G.S. Foundation Quantitative Techniques /cAggrawal B.M. 1bSultan Chand,c2003.  a-