TY  - BOOK
AU  - Ingle, Henry T.
TI  - Communication media and technology: a look at their role in non-formal education programs 
SN  - SSCB3155
U1  - 371.33 
PY  - 1974///
CY  - Washington
PB  - Information Center on Instructional Technology
KW  - Educational technology
ER  -