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 |