000 00281nam a2200121Ia 4500
082 _a005.133
_bDOE
100 _aDoeacc Society
245 _aQuan book 'O' level
260 _aDelhi
_bBook Place
_c1997
300 _a444p.
650 _aComputer Science
650 _aInformation Technology
999 _c969
_d969