An investigation of elementary school grade levels appropriate for teaching the metric system /
| Main Author: | |
|---|---|
| Format: | Thesis Microform Book |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1973.
|
| Subjects: |
Evans: Microforms (3rd floor)
| Call Number: |
film B 113 |
|
|---|---|---|