000 00288nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
082 _a4
_bBAL
100 _aBalagurusamy,E.
245 0 _aInformation technology
260 _adelhi
_bTata Mcgraw hill
_c1992
300 _a576
942 _2ddc
999 _c33660
_d33660