000 00275nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aGUPTA(AVDESH), MALIK(ANOG.),
245 0 _aMANAGEMENT INFORMATION SYSTEM
250 _a1ST
260 _bFIREWALL MEDIA
942 _2ddc
_cBTECH
999 _c4782
_d4782