TY  - BOOK
AU  - P E Richmond; 
ED  - Unesco.
TI  - New trends in integrated science teaching = Tendances nouvelles de l'intégration des enseignements scientifiques
T2  - Teaching of basic sciences.; Unesco (Series)
U1  - 507 U56n 
PY  - 1969////70-
CY  - Paris
PB  -  Unesco, 
KW  -  Science -
KW  - Study and teaching
KW  - Congresses
KW  - Curriculo (Area De Ciencias Biologicas)
ER  -