000 00311nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c175
040 _aET
100 _aS. RAI
245 0 _aCOMPUTER AWARENESS
260 _bS.K. KATARIA PUB.
_aNEW DELHI
300 _a578
500 _a16873
942 _cBK
999 _c23105
_d23105