State publication of schoolbooks /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
The Macmillan company,
1931.
|
| Edition: | Rev. ed. |
| Subjects: |
| Physical Description: | vi, 56 pages : diagram ; 19 cm. |
|---|
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
The Macmillan company,
1931.
|
| Edition: | Rev. ed. |
| Subjects: |
| Physical Description: | vi, 56 pages : diagram ; 19 cm. |
|---|