000 00315nam a2200121Ia 4500
008 220201s1970 xx 000 0 eng d
082 _a658
_bOBReference
100 _aOBrien,James J.
245 0 _aManagement information sytems
260 _bGalgotia Publications
_aNew Delhi
_c1970
300 _a314p.
942 _2ddc
999 _c3260
_d3260