A technique for developing content for a professional course in science for teachers in elementary schools
By: by Florence Grace Billig.
Series: Teachers college, Columbia university.  Contributions to education,; no. 397
Publisher: Teachers college, Columbia university
Published: 1930
Place of publication: New York City
Language: eng
Number of pages: 101
Subjects: Science -- Teacher training; Elementary school teachers -- Training of
Other titles: Science for teachers in elementary schools.
Notes: Bibliography: p. 99-101.
Issued also as thesis (PH. D.) Columbia university.