TY  - BOOK
AU  - Ertmer,Peggy A.
TI  - The ID casebook: case studies in instructional design / 
SN  - 0130943215
U1  - 371.3 
PY  - 2003///
CY  - Upper Saddle River, N.J.
PB  - Merrill Prentice Hall
KW  - Instructional systems
KW  - Case studies
KW  - Design
N1  - 2nd ed
ER  -