Wagner Leslie
The economics of educational media - London: Macmillan, 1982. - 162p. x,
Includes index
Eng
0333316908
Open learning systems-Economics aspects
Education - Cost control
Education - Audiovisual aids
Education - Economics aspects
371.3078 / WAE
The economics of educational media - London: Macmillan, 1982. - 162p. x,
Includes index
Eng
0333316908
Open learning systems-Economics aspects
Education - Cost control
Education - Audiovisual aids
Education - Economics aspects
371.3078 / WAE