00408nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001800095100001700113245003600130260004300166300001600209365001300225OSt20230403094803.0210423s2000    xx            000 0 und d  a9788125916079  cAL  aeng  a658.4038 GUPA  aGUPTA (A K).  aManagement information systems.  aNew DelhibS Chand & Company Ltdc2000  avii,362bPB  b225cINR