TY  - BOOK
AU  - Wagner Leslie
TI  - Economics of ecucational media
SN  - 0 333 31690 8
U1  - X:770gT, M2 
PY  - 1982///
CY  - London
PB  - Macmillan UK         
KW  - Economic Development
N1  - Bibliography: P 152-57
ER  -