Influence of reinforcers on motorized bicycle on-task time of profoundly mentally retarded adolescents/
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| Format: | Book |
| Language: | English |
| Published: |
1991
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| Subjects: |
| Item Description: | "UO 92 206--UO 92 207." |
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| Physical Description: | xi, 153 leaves : ill. |
| Bibliography: | Includes bibliographical references (leaves 107-117) |