000 00278nam a2200121Ia 4500
100 _aNCC
250 _a1st
942 _cBK
245 _aIntroducing systems analysis and design (vol-2)
260 _aGalgotia Booksource, New Delhi
_c1986
082 _a001.61 NCC
300 _a556
999 _c16808
_d16808