TY  - BOOK
AU  - Firth,Brian W.
TI  - Mass media in the classroom
T2  - Basic books in education
AV  - LB1043.2.G7 F5
U1  - 371.333 
PY  - 1968///
CY  - London, Melbourne, [etc.]
PB  - Macmillan
KW  - Audio-visual education
KW  - Great Britain
KW  - Mass media in education
N1  - Bibliography: p. [121]-123
ER  -