Secondary school science and mathematics teachers ; characteristics and service loads. Report of a survey by the National Association of State Directors of Teacher Education and Certification and the American Association for the Advancement of Science for the National Science Foundation.
Nhiều tác giả của công ty: | , , |
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Định dạng: | Sách |
Ngôn ngữ: | English |
Được phát hành: |
[Washington] :
[National Science Foundation ; for sale by the Superintendent of Documents]: [[U. S. Govt. Print. Off.],
[1963]
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