The token economy. A motivational system for therapy and rehabilitation: Teodoro Ayllon and Nathan Azrin Appleton-Century-Crofts, New York (1968)
H.J. EysenckVolume:
7
Year:
1969
Language:
english
DOI:
10.1016/0005-7967(69)90022-9
File:
PDF, 60 KB
english, 1969