TY  - BOOK
AU  - Curtis,Francis D.
TI  - A digest of investigations in the teaching of science in the elementary and secondary schools
PY  - 1971///
CY  - New York
PB  - Teachers College Press
KW  - Science
KW  - Study and teaching
N1  - Vol.1 summarizes research in elementary and secondary education published prior to 1925; Vol.2 and 3 cover research published 1925-30 and 1931-37, respectively, including studies in higher education; Includes bibliographies
ER  -