TY  - BOOK
AU  - Godfrey,Eleanor P.
TI  - The state of audiovisual technology, 1961-1966
AV  - LB1043 .N335 no. 3
U1  - 371.33 
PY  - 1967///]
CY  - [Washington]
PB  - Dept. of Audiovisual Instruction, National Education Association of the United States
KW  - Educational technology
KW  - United States
KW  - Local
N1  - Bibliography: p. 120-122
ER  -