000 00272nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSrivastava, Anil Kumar
245 0 _aEdcuational Technology
260 _aNew Delhi
_bKunal Books
_c2009
300 _a360p.
942 _cBK
999 _c15115
_d15115