00413nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001600078100002200094245007800116250000700194260002400201650004200225224920261006003615.0120911s9999    xx            000 0 und d  a0394390555  a658.054 KRO  aKroenke, David M.  aBusiness computer systems : an introduction / David M. Kroenke. - 3rd ed.  a3E  aMitchell Publishing  aBusiness data processing - management