TY  - BOOK
AU  - Evensen,Dorothy H.
AU  - Hmelo,Cindy E.
TI  - Problem - Based Learning :  A Research Perspective on Learning Interactions
SN  - 0 8058 2645 9
U1  - 371.39 
PY  - 2000///
CY  - New Jersey
PB  - Lawrence Erlbaum Associates
KW  - School Education
KW  - Interaction
ER  -