TY  - BOOK
AU  - O'Neil Harold, F
AU  - O'Neil,Harold F.
TI  - Issues in instructional systems development
T2  - The Educational technology series
SN  - 0125266405
U1  - 370.2854 
PY  - 1979///
CY  - New York
PB  - Academic Press
KW  - Education
KW  - System analysis
N1  - Includes bibliographies and indexes
ER  -