000 00264nam a2200109Ia 4500
100 _aNCC
942 _cBK
245 _aIntroducing systems analysis and design (vol-2) .-1st
260 _aGalgotia Booksource, New Delhi
_c1986
082 _a001.61 NCC
300 _a556
999 _c21247
_d21247