000 00332nam a2200133Ia 4500
008 241226s9999 xx 000 0 und d
020 _a8172732899
082 _a574.07
_bYAD
100 _aYadav, R. P.
245 0 _aLearn and Teach Biology
260 _aDelhi :
_bAuthorspress ,
_c2005.
300 _a162 :
650 _aBiology
999 _c176830
_d176830