TY  - BOOK
AU  - Gibson,Tony
ED  - Hutchinson Educational
TI  - The practice of ETV
SN  - 0090991001
U1  - 371.3358 23
PY  - 1970///.
CY  - London: 
PB  - Hutchinson Educational, 
KW  - Television in education
N1  - Includes index
ER  -