TY  - BOOK
AU  - Keeves, John P.
TI  - The IEA study of science III: changes in science education and achievement 1970 to 1984
SN  - 0-08-041036-7
U1  - 507.1 
PY  - 1992///
CY  - Oxford
PB  - Pergamon press
KW  - Curriculum Planing
KW  - Science
ER  -