000 00279nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKumar, Nagendra
245 0 _aVighyan Shikshan Evam Computer
260 _aNew Delhi
_bSumit Enterprises
_c2006
300 _a184p.
942 _cBK
999 _c15061
_d15061