1. Teaching aeronautics in high schools: A study of methods, principles and measurements
پدیدآورنده : / prepaired for the Civil Aeronautics Administration and the American Council on Education
کتابخانه: Central Library and Archive Center of shahid Beheshti University (Tehran)
موضوع : Aeronautics,-- Study and teaching
رده :
629
.
13
H133T
1947
