Mathematics teaching aids for a stronger America, prepared for the Illinois Curriculum Program, Aviation Education Project
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | ingelesa |
| Argitaratua: |
Springfield
s.n.
1955.
|
| Saila: | Illinois Curriculum Program. Aviation Educatuion Project. Bulletin no. 22, part B
|
| Gaiak: |