Mathematics teaching aids for a stronger America, prepared for the Illinois Curriculum Program, Aviation Education Project
| Auteur principal: | |
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| Format: | Livre |
| Langue: | English |
| Publié: |
Springfield
s.n.
1955.
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| Collection: | Illinois Curriculum Program. Aviation Educatuion Project. Bulletin no. 22, part B
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| Sujets: |