000 00283nam a2200097Ia 4500
008 160930s9999 xx 000 0 und d
100 _aWhitten, Jeffney L. and Bentley Lonnie D.
245 _aSystem Analysis and Design Methods
260 _aNew Delhi
_bTata Mcgraw Hill Pub.
942 _cBK
999 _c2011
_d2011