TY  - BOOK
ED  - Education Commission of the States.
ED  - National Center for Education Statistics.
TI  - National assessment of educational progress: a project of the Education Commission of the States
AV  - LA217 .E364
U1  - 375/.00973 
PY  - 1970///-
CY  - Washington
PB  - [U.S. Dept. of Health, Education, and Welfare, Education Division] National Center for Education Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
KW  - Education
KW  - United States
KW  - Curricula
KW  - Local
KW  - Science
KW  - Ability testing
N1  - Contract agency: National Center for Education Statistics; Item 461-A-8; S/N 017-080-01535-8; Backround report no. BRS-1. Science achievment: racial and regional trends, 1969-73
ER  -