000 00261nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aRao, D.Bhaskara
245 0 _aAchievement In Mathematics
260 _aNew Delhi
_bDPH
_c2006
300 _a115p.
942 _cBK
999 _c12856
_d12856