TY  - BOOK
AU  - Elwell, Patricia A.
TI  - CPS for teens : : classroom activities for teaching ;creative problem solving / 
SN  - 9781882664078
AV  - BF 408  .El52 1993
U1  - TR 153.4  
PY  - 1993///.
CY  - (Waco, Texas) : 
PB  - Prufrock Press, 
KW  - problem solving Group
KW  - Treffinger ,Donald J
ER  -