TY  - BOOK
AU  - Evensen,Dorothy H.
AU  - Hmelo-Silver,Cindy E.
TI  - Problem-based learning : a research perspective on learning interactions 
SN  - 9780805826456
U1  - 371.39/ 
PY  - 2008///
CY  - London , New York 
PB  - Routledge 
KW  - Problem-based learning
KW  - Learning
KW  - Research
ER  -