कवर छवि

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

ग्रंथसूची विवरण
मुख्य लेखकों: Billig, Florence Grace, 1888-, Originally presented as the author's thesis, Columbia
स्वरूप: पुस्तक
भाषा:अंग्रेज़ी
प्रकाशित: [New York AMS Press [1930].
विषय:
Elementary school teachers > In service training.
Science teachers > Teachers training.