TY  - SER
AU  - Edwards,Thomas G.
AU  - Erickson,David R.
TI  - New visions in mathematics teacher education : : a comparison of the recommendations and standards of professional mathematics societies and others interested in teacher preparation 
N1  - También disponible en formato electrónico
UR  - http://www.educoas.org/portal/bdigital/contenido/laeduca/laeduca_119/articulo5/index.aspx?culture=es&navid=201
ER  -