TY  - BOOK
AU  - Unesco
TI  - Unesco handbook for science teachers
SN  - 0435579703 (Heinemann)
AV  - Q181 .U475 1973 Suppl.
U1  - 500 UNE 19
PY  - 1980///
CY  - Paris, London, Exeter, N.H.
PB  - Unesco, Heinemann
KW  - Science
KW  - Study and teaching
KW  - Experiments
KW  - Juvenile literature
N1  - Includes bibliographies
ER  -