TY  - BOOK
AU  - 
TI  - The first national assesment of mathemátics: an overview 
AV  - QA8.7 F5.5 
PY  - 1975///
CY  - Washington
PB  - US Goverment
KW  - Investigación matemática
N1  - "A project of the Education Commission of the states"
ER  -