TY  - BOOK
AU  - Harlen, Wynne. 
TI  - Primary science : : taking the plunge 
SN  - 04355573500
U1  - 372.35 HAR 
PY  - 1985///
CY  - USA
PB  - Heinemann
KW  - Science
KW  - Study and teaching (Elementary)
KW  - Interaction analysis in education
N1  - Includes bibliography reference and index.
ER  -