000 00299nam a2200121Ia 4500
008 160930s9999 xx 000 0 und d
020 _a9788176484350
100 _aSingh,Yogesh Kumar
245 _aVigyan Shikshan avm Computer
260 _aNew Delhi
_bAPH
_c2010
300 _a239p.;22cm
942 _cBK
999 _c6116
_d6116