Teaching arithmetic to slow learners and retarded
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York,
John Day Co
[1965]
New York, [1965] |
| Series: | John Day special education books
|
| Subjects: |
| Physical Description: | 127 p col. illus. 29 cm. |
|---|