TY  - BOOK
AU  - Lumpe, Andrew T.
AU  - Scharmann, Lawrence C.
TI  - Meeting contemporary goals for lab instruction : a content analysis of two secondary biology textbooks
KW  - BIOLOGIA
KW  - EVALUACION DE LIBROS DE TEXTO
KW  - EXPERIMENTOS DE LABORATORIO
KW  - INSTRUCCION CIENTIFICA
N1  - Mayo 1992
ER  -