000 00262nam a22001217a 4500
020 _a8174504966
082 _a378
_bNCE
100 _aNCERT
245 _aBiology : textbook for class XI
260 _aNew Delhi:
_bNCERT,
_c2022.
300 _a251p.
942 _cBK
999 _c17467
_d17467