000 00273nam a2200121Ia 4500
005 20250512090258.0
008 200802s9999||||xx |||||||||||||| ||und||
035 _a42032
100 _aKhurana
245 0 _aOperating System.
260 _bNew Delhi. Vikas,
942 _cBK
_09
999 _c42033
_d42033