00333nam a2200121 a 450000500170000000800410001704100080005808200120006610000210007824500670009926400340016630000110020020260717091447.0260717s1994    ii            000 0 eng d  aeng04a005.3691 aParker, Roger C.10aMicrosoft Office 4 for Windows for dummies /cParker, Roger C. 1aDelhi :bPustak Mahal,c1994.  a450 p.