TY  - BOOK
AU  - Roller,S.
ED  - Council of Europe
TI  - The teaching of the new mathematics in the primary schools of eight countries of Europe
PY  - 1975///
CY  - París: 
PB  - council of Europe, 
KW  - INIST
KW  - MATEMATICAS
KW  - ENSEÑANZA DE MATEMATICAS
ER  -