TY  - BOOK
ED  - Unesco.
TI  - New trends in integrated science teaching: Vol. 1. 1969-70 / 
T2  - The Teaching of basic sciences
AV  - Q181.A1 N48
U1  - 507 
PY  - 1971///-
CY  - Paris
PB  - Unesco
KW  - Science
KW  - Study and teaching
KW  - Interdisciplinary approach in education
ER  -