TY  - BOOK
AU  - Sund,Robert B.
AU  - Trowbridge,Leslie W.
TI  - Teaching science by inquiry in the secondary school
AV  - Q181 .S85
U1  - 507.12 
PY  - 1967///]
CY  - Columbus, Ohio
PB  - C.E. Merrill Books
KW  - Science
KW  - Study and teaching (Secondary)
KW  - Sciences
KW  - Étude et enseignement (Secondaire)
N1  - Bibliographical footnotes
UR  - http://www.archive.org/details/teachingscienceb00sund
UR  - http://www.openlibrary.org/books/OL5984785M
ER  -