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

Bibliografiset tiedot
Päätekijät: Billig, Florence Grace, 1888-, Originally presented as the author's thesis, Columbia
Aineistotyyppi: Kirja
Kieli:English
Julkaistu: [New York AMS Press [1930].
Aiheet:
Elementary school teachers > In service training.
Science teachers > Teachers training.