000 00258nam a2200109Ia 4500
020 _a8120311752
082 _a004.21
100 _aMARIRYSZLEIEWYCZ, I.T
245 _aINTRODUCTION TO SYSTEMS ANALYSIS AND DESIGN
260 _aNEW DELHI
_b PHI
_c1999
942 _cBK
999 _c4797
_d4797