TY  - BOOK
AU  - Lansdown,Brenda-
AU  - Brandwein,Paul Franz
AU  - Blackwood,Paul Everett,1913-
TI  - Teaching elementary science through investigation and colloquium
SN  - 0155880136
PY  - 1971///
CY  - New York
PB  - Harcourt Brace Jovanovich
KW  - Science
KW  - Study and teaching (Elementary)
KW  - Concept learning
N1  - Bibliography: p. 401-422
ER  -