TY  - BOOK
AU  - Willis,Jerry W.
TI  - Constructivist instructional design (C-ID): Foundations, models, and examples 
SN  - 9781930608610
PY  - 2009///
CY  - Charlotte, NC
PB  - IAP, Information Age Publ.
KW  - Instructional systems
KW  - Design
KW  - Constructivism (Education)
N1  - Includes bibliogr. references
ER  -