000 00382nam a2200157Ia 4500
082 _a372.357
_bPUB
245 _aBiology:
_bclass XI
_cPunjab Textbook Board
250 _a2nd
260 _aLahore:
_bThe Authors
_c2004
300 _a329p.
500 _aIncludes glossary
546 _aeng
650 _aBiology-Textbooks
_956297
700 _aBiology-Textbooks
_956298
942 _cBK
999 _c25861
_d25861