TY  - BOOK
AU  - Richey,Rita C.
AU  - Klein,James D.
TI  - Design and development research: methods, strategies, and issues 
SN  - 9780805857320
PY  - 2007///
CY  - Mahwah, N.J.
PB  - Lawrence Erlbaum Associates
KW  - Instructional systems
KW  - Design
KW  - Research
N1  - References : 161-172
ER  -