000 00347nam a2200145Ia 4500
040 _cPK-LaCSN
082 _a570
_bORI
100 _aSakoori, Prof Dr. A.R
245 0 _aBiology 12
260 _c2003
_bPunjab Curriculum Text Book Board
_aLahore
300 _a278
942 _cTB
999 _c858209
_d858186