000 00312nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c175
040 _aET
100 _aS. RAI
245 0 _aCOMPUTER AWARENESS
260 _bS.K KATARIA & SONS
_aNEW DELHI
300 _a518
500 _a16280
942 _cBK
999 _c22517
_d22517