00288pam a2200121 a 4500020000500000041000800005082001300013100001500026245005200041250001000093260005000103300001300153  c  aeng  a004bDRO  aDromey RG.  aHow to solve it by computer hTextual Documents  a2002.  aNew Delhi :bPrintice hall in india PVT LTD .  a442 pg .