000 00287nam a2200109Ia 4500
008 151128s9999 xx 000 0 und d
041 _aENG
245 _aIntroducing systems analysis and design
260 _c1982
_aNew Delhi
_bGalgotia Book Source
300 _a2v. 177-556p.
942 _cBK
999 _c28935
_d28935