000 00232nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aHUSSAIN ASHFAQ
245 0 _aNETWORK AND SYSTEM
260 _bKHANNA PUBLISHER
942 _2ddc
_cBTECH
999 _c8478
_d8478