000 00433nam a2200133Ia 4500
008 210716s1990 xx 000 0 und d
041 _aeng
082 _a003.54 OBRJ
100 _aObrien,James A.
245 _aManagement information systems: a managerial end user perspective.
_bA managerial end user perspective.
260 _aNew Delhi
_bGalgotia Publications
_c1990
300 _axxxlv,670
650 _aInformation Theory(003.54)
999 _c181801
_d181801