A technique for developing content for a professional course in science for teachers in elementary schools
By: by Florence Grace Billig ...
Publisher: Teachers college, Columbia university
Published: 1930
Place of publication: New York city
Language: eng
Number of pages: 101
Subjects: Science; Study and teaching; Teachers; Training of
Notes: Vita.

Published also as Teachers college, Columbia university, Contributions to education, no. 397.

Thesis (Ph. D.)--Columbia university, 1930.

Bibliography: p. 99-101.