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.
| Corporate Authors: | , , |
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| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
[Washington] :
[National Science Foundation ; for sale by the Superintendent of Documents]: [[U. S. Govt. Print. Off.],
[1963]
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