000 00379nam a2200133Ia 4500
008 241226s9999 xx 000 0 und d
020 _a8174500642
082 _a570
_bCHA
100 _aChakraborti, D. P.
245 0 _aBiology (Class XI)
260 _aNew Delhi :
_bNational Council of Educational Research and Trainin ,
_c2003.
300 _a362 Pages;
650 _aBiology
999 _c174105
_d174105