TY  - BOOK
AU  - Sund, Robert B.
AU  - Trowbridge, Leslie W.
TI  - Teaching science by inquiry: in the secondary school 
SN  - 0675097878
PY  - 1967///
CY  - Colombus, Ohio
PB  - Merrill
KW  - Science
KW  - Education (Secondary)
KW  - Study and teaching
ER  -