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Single subject research: strategies for evaluating change /
| Format: | Printed Book |
|---|---|
| Language: | English |
| Published: |
Academic Press,
1978.
|
| Physical Description: | 316 p. |
|---|
| Format: | Printed Book |
|---|---|
| Language: | English |
| Published: |
Academic Press,
1978.
|
| Physical Description: | 316 p. |
|---|