000 00260nam a22001217a 4500
999 _c44527
_d44527
003 OSt
100 _aHoffer A Jeffery
245 _aModern System Analysis & Design
260 _aDelhi
_bDorling
_c2009
300 _a554p.
901 _a1913DON
942 _2ddc
_cBK