TY  - BOOK
AU  - Friesen,Paul A.
TI  - Designing instruction: a systematic or "systems" approach using programmed instruction as a model 
AV  - LB1570.F75 1973 
PY  - 1973///
CY  - Santa Monica, Calif.
PB  - Miller Pub. Co.
KW  - Instructional systems
KW  - Design
KW  - Programmed instruction
KW  - Educational technology
KW  - System analysis
ER  -