TY  - BOOK
AU  - Harlen,Wynne
AU  - Black,Paul
AU  - Johnson,Sandra
ED  - Her Majesty΄s Stationery Office
TI  - Science in schools: age 11 : report 
SN  - 0112703860
U1  - 372 23
PY  - 1981///.
CY  - London: 
PB  - Her Majesty's Stationery Office, 
KW  - Science
KW  - Study and teaching (Elementary)
N1  - Report on the 1980- survey of science performance of pupils aged 11 in primary and middle schools to the Department of Education and Science, the Department of Education for Northern Ireland and the Welsh Office
ER  -