000 00280nam a2200097Ia 4500
008 160523s9999 xx 000 0 und d
100 _aSimons, G. L.
245 _aIntroducing system analysis and design vol.2
260 _aNew Delhi
_bGalgotia Publications
_c1982
300 _a177-556p.
999 _c24588
_d24588