Children solve problems /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Harmondsworth :
Penguin,
c1972 [reprinted 1973]
|
| Subjects: |
| Physical Description: | 226 σ. : εικ. ; 22 εκ. |
|---|---|
| ISBN: | 0140803238 |
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Harmondsworth :
Penguin,
c1972 [reprinted 1973]
|
| Subjects: |
| Physical Description: | 226 σ. : εικ. ; 22 εκ. |
|---|---|
| ISBN: | 0140803238 |