Psychology & SocietyTeaching aeronautics in high schools; a study of methods, principles and measurments, prepaired for thr Civil Aeronautics Administration andRalph Haefner![Teaching aeronautics in high schools; a study of methods, principles and measurments, prepaired for thr Civil Aeronautics Administration and]()
Teaching aeronautics in high schools; a study of methods, principles and measurments, prepaired for thr Civil Aeronautics Administration and
Ralph Haefner
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“Teaching aeronautics in high schools; a study of methods, principles and measurments, prepaired for thr Civil Aeronautics Administration and” by Ralph…
Catalogue details
- Author
- Ralph Haefner
- Category
- Psychology & Society
- Language
- English
- Source
- HathiTrust