000 00342nam a2200133Ia 4500
654 _aMAN
100 _aEdwards.C.; Ward.J. & Bytheway.A.
250 _a1st Ed.
245 _aEssence Of Information Systems.
260 _bPrentice Hall of India Private Limited
_c1991
082 _bEDW
_a658.403
300 _aVI , 179p.
999 _c30431
_d30431
546 _aText in English
041 _aeng
300 _c22 cm.