00351nam a2200133 a 450000500170000002000150001708200130003210000240004524500450006925000120011426000300012630000310015663000300018720251202164245.0  a007047835X  a004bORI  aOrilia, Lawrence S.  aIntroduction to business data processing  a2nd ed.  aLondonbMcGraw-Hillc1982  axxxviii, 683p.c23 cm.bHB  aBusiness, data processing