TY  - BOOK
AU  - Kohn, Alfie
AU  - Kohn, Alfie
TI  - Punished by rewards :  the trouble with gold stars, incentive plans, A's, praise, and other bribes    
SN  - 9780618001811
AV  - 153.85 KOH 1999 
U1  - 153.85 KOH 1999 
PY  - 1999///
CY  - Boston
PB  - Houghton mifflin Company
KW  - General
ER  -