000 00322nam a2200121Ia 4500
100 _aEdward, Johnand , Ward, Chris & Bytheway, Andy
020 _a81-203-0910-3
942 _cBK
245 _aThe Essence of information system
260 _aPrentice - Hall, New Delhi
_c1991
082 _a658.40388 Edw
300 _av,179
999 _c34544
_d34544