TY - BOOK AU - Evensen,Dorothy H AU - Hmelo,Cindy E TI - Problem-Based Learning : A Research Perspective on Learning Interactions SN - 0805826459 AV - LB1027.42 P78 2000 PY - 2000/// CY - London PB - Lawrence Erlbaum Associates KW - Problem-based learning KW - Learning KW - Research ER -