00443nam a2200169 a 450000500170000008200180001710000240003524500450005925000110010426000400011530000210015563000150017663000210019163000210021263000210023363000190025420251202164304.0  a658.4032bOPT  aOptner, Stanford L.  aSystems analysis for business management  a3rd ed  aDelhibPrentice hall of Indiac1981  axiii,381p.c22cm  aManagement  aSystems Analysis  aSystems-Elements  aSystems Approach  aSystems Design