000 00253nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aGoel, Hemant Kumar
245 0 _aComputer Shiksha
260 _aMeerut
_bSurya
_c2012
300 _a296p.
942 _cBK
999 _c15449
_d15449