TY  - BOOK
AU  - Lee, Okhee
AU  - Eichinger, David C.
AU  - Anderson, Charles W.
TI  - Changing middle school students' conceptions of matter and molecules / [et al.]
KW  - CONCEPTOS CIENTIFICOS
KW  - CONCEPTOS ERRONEOS
KW  - EDUCACION CIENTIFICA
KW  - ESCUELAS MEDIAS
KW  - INSTRUCCION CIENTIFICA
N1  - Octubre 1993
ER  -