TY  - BOOK
TI  - New trends in integrated science teaching 
T2  - The Teaching of basic science. Integrated science
SN  - 9231026658
U1  - 507 19
PY  - 1990///
CY  - Paris
PB  - Unesco
KW  - Science
KW  - Spines
KW  - Teaching
N1  - Bibliography : p. 195-238; cse
N2  - Education
ER  -