TY  - BOOK
AU  - Keppell,Michael J.
TI  - Instructional design: case studies in communities of practice 
SN  - 159904322X
AV  - LB1028.38  .I58 2007
PY  - 2007///
CY  - Hershey, PA
PB  - Information Science
KW  - Instructional systems
KW  - Design
KW  - Case studies
ER  -