000 00265nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aKULSHRESTHA S.P.
_914517
245 0 _aTEACHING OF BIOLOGY
260 _bSURYA PUBLICATION
_c2008
300 _a424
942 _cBK
999 _c113858
_d113858