TY  - BOOK
AU  - Hopman Anne B. 
AU  - Hopman,Anne B.
TI  - Helping children learn science
AV  - LB1585 .S35
U1  - 507 
PY  - 1966///
CY  - [Washington]
PB  - National Science Teachers Association
KW  - Science
KW  - Study and teaching (Elementary)
N1  - Includes bibliographies
ER  -