000 00559nam a2200205 a 4500
005 20210219152919.0
008 991125n 000 0 eng u
035 _aUPN01000066956
100 1 _aTreagust, David F
222 _aJOURNAL OF RESEARCH IN SCIENCE TEACHING
245 _aA case study of two exemplary biology teachers
300 _a329-342
362 0 _a1991 Vol. 28, no. 4
653 0 _aBIOLOGIA
653 0 _aEDUCACION CIENTIFICA
653 0 _aMAESTROS
653 0 _aTECNICAS DE ENSEƑANZA
904 _aAC
_b004767
905 _aArticulo
999 _c63744
_d63744