TY  - BOOK
AU  - Payne,James S.
TI  - Living in the classroom: the currency-based token economy 
SN  - 087705276X
PY  - 1975///
CY  - New York
PB  - Human Sciences Press
KW  - Performance contracts in education
KW  - Classroom management
N1  - Bibliography: p. 185-202
ER  -