TY  - BOOK
AU  - McArdle, Geri
AU  - Crisp, Michael, ed.
TI  - Developing instructional design: a step-by-step guide to success
T2  - A fifty-minute series book
SN  - 0560520760
U1  - 658.312404 21st ed.
PY  - 1991///
CY  - California
PB  - Crisp Publications
KW  - Instructional systems - Design
ER  -