TY  - RPRT
TI  - Problem-based learning: properly balanced learning?
AU  - David C Y Kwan
PY  - 2002
DO  - 10.1016/s0165-6147(00)01937-4
UR  - https://pubmed.ncbi.nlm.nih.gov/11931988/
ID  - 11931988
ER  -