TY  - BOOK
AU  - Boud, David
AU  - Feletti, Grahame
TI  - The Challenge of Problem Based Learning 
SN  - 0 7494 2560 1
U1  - 370.1523 
PY  - 1998///
CY  - London
PB  - Kogan Page
KW  - Learning Problem
KW  - Education
ER  -