TY  - BOOK
AU  - Piltz, Albert,
AU  - Sund, Robert B.,
CN  - LB1585
CN  - LB1585
CY  - Boston,
DA  - [1968]
ID  - 15365
KW  - Science
KW  - Learning by discovery.
PB  - Allyn and Bacon
PP  - Boston,
PY  - [1968]
T1  - Creative teaching of science in the elementary school
TI  - Creative teaching of science in the elementary school
ER  -