TY  - BOOK
TI  - Science and mathematics education in the United States ; eight innovations: proceedings of a conference
SN  - 92-64-13918-4
U1  - 509.73 S416s 
PY  - 1993///
CY  - París [Francia]
PB  - Organisation for Economic Co-operation and Development
KW  - CIENCIA
KW  - ESTUDIO Y ENSEÑANZA
KW  - E.U.A
KW  - MATEMATICAS
ER  -