TY  - BOOK
AU  - BROSNAN, Patricia A.
AU  - ERICKSON, David
TI  - An exploration of change in teachers' beliefs and practices during implementation of mathematics standars
KW  - CALIDAD EDUCATIVA
KW  - CONSTRUCTIVISMO
KW  - ENSEÑANZA
KW  - MAESTROS
KW  - MATEMATICA
ER  -