TY  - BOOK
AU  - Banathy,Bela H.
TI  - Instructional systems
AV  - LB2805 .B26
U1  - 371 
PY  - 1968///]
CY  - Palo Alto, Calif.
PB  - Fearon Publishers
KW  - Instructional systems
KW  - Local
N1  - Bibliography: p. 92-106
ER  -