000 00335nam a2200145Ia 4500
005 20250121120123.0
008 250101s2017 xx 000 0 eng d
084 _bQ7
100 _aTiwari(Neha)&Chaudhary(Neekamal)
245 0 _aOperating System
250 _a2
260 _bCollege Book House
_c2017
300 _a176
942 _2z
_cBK
999 _c894
_d894