000 00277nam a2200121Ia 4500
008 220108s9999||||xx |||||||||||||| ||und||
100 _aUmesh Vajpayee
245 0 _aComputer Vigyan Ke Sidhant
260 _aMeerut
_bVishal
300 _a228
650 _aComputer
942 _cBK
999 _c17021
_d17021