TY  - BOOK
AU  - George,Kenneth D.
AU  - Dietz,Maureen A.
AU  - Abraham,Eugene Charles
TI  - Science investigations for elementary school teachers
AV  - LB1585.A159.S354 1973 
PY  - 1974///
CY  - Lexington, Massachusetts
PB  - D. C. Heath
KW  - Science
KW  - Study and teaching (Elementary)
KW  - Project method in teaching
N1  - 2
ER  -