The token economy system:
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Bibliographic Details
Main Author: Lauridsen, David (Author)
Format: Book
Language:English
Published: Englewood Cliffs, NJ Educational Technology Publ. 1978
Series:The instructional design library. 19.
Subjects:
Online Access:Inhaltsverzeichnis
Physical Description:XI, 88 S. Portr.
ISBN:0877781230

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