TY  - BOOK
ED  - UNESCO
TI  - The economics of new educational media: present status of research and trends 
SN  - 9231014234
U1  - 379.11 
PY  - 1977///
CY  - Paris 
PB  - United Educational Scientific and Culrural Organizations 
KW  - Economics
KW  - Economics -- educations
N1  - includes glossary
ER  -