00397nam a2200133Ia 4500008004100000040001700041041001200058082001700070100001800087245008400105250001200189260004900201300001300250230917s9999||||xx |||||||||||||| ||und||  e141723aMAIN  aEnglish  a658.05 C613D  aCrifton, H.D. 0aBusiness Data system: A Practicla guide to systems analysis and data processing  a3rd ed.  aNew DelhibPrentice Hall of India P.L.c1988  a382p. p.