A technique for developing content for a professional course in science for teachers in elementary schools

A technique for developing content for a professional course in science for teachers in elementary schools

Bibliographic Details
Main Authors: Billig, Florence Grace, 1888-, Originally presented as the author's thesis, Columbia
Format: Book
Language:English
Published: [New York AMS Press [1930].
Subjects:
Elementary school teachers > In service training.
Science teachers > Teachers training.