3 treff

Ayllon Teodoro
Correctional rehabilitation and management : a psychological approach
Ayllon, Teodoro
Bok Engelsk 1979
The token economy : a motivational system for therapy and rehabilitation
Teodoro Ayllon, Nathan Azrin
Bok Engelsk 1968
How to use token economy and point systems
Teodoro Ayllon
Bok Engelsk 1999