000 00297nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aJeffrey Whitten
245 _aSystems Analysis and designs Mathods
260 _bDelhi:Galgotia
_c2002
300 _a724p.
650 _aComputer
999 _c641
_d641