000 00299nam a2200121Ia 4500
082 _a003
_bIGN
100 _aIGNOU
245 _aElements of systems analysis and design : System Design -2 (CS-05)
260 _aNew Delhi
_bI.G.N.O.U
_c2
300 _a59p.
650 _aComputer Science
044 _aIndia
999 _c4738
_d4738