TY  - BOOK
ED  - Unesco.
TI  - New trends in chemistry teaching = Tendances nouvelles de l'enseignement de la chimie
T2  - Teaching of basic sciences
SN  - 9230010014
U1  - 540.7 U56n 
PY  - 1972///
CY  - Paris
PB  -  Unesco, 
KW  -  Chemistry -- Study and teaching
KW  - Chemistry -- education. Química
KW  -  Estudio y enseñanza
ER  -