TY  - MANSCPT
AU  - Torp,Linda
AU  - Sage,Sara
TI  - Problems as possibilities: problem-based learning for K-12 education 
SN  - 0871202972
PY  - 1998///
CY  - Alexandria
PB  - ASCD
KW  - Problem-based learning
KW  - Curriculum planning
N1  - Includes bibliographical references and index; Open access
ER  -