000 00285nam a2200121Ia 4500
082 _a003
_bIGN
100 _aIGNOU
245 _aElements of systems analysis and design: case studies
260 _aNew Delhi
_bI.G.N.O.U
_c2
300 _a58p
650 _aComputer Science
044 _aIndia
999 _c4741
_d4741