000 00258nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSrivastava, D.S.
245 0 _aSecondary Education
260 _aDelhi
_bIsha Books
_c2006
300 _a304p.
942 _cBK
999 _c12316
_d12316