The Economics of new educational media : present status of research and trends.

Gorde:
Xehetasun bibliografikoak
Egile korporatiboa: Unesco, International Council for Educational Media
Formatua: Liburua
Hizkuntza:English
Argitaratua: Paris : Unesco, 1977-1982.
Saila:Educational methods and techniques.
Gaiak:
Deskribapena
Alearen deskribapena:"Prepared with the assistance of the International Council for Educational Media.".
Deskribapen fisikoa:3 v. ; 23 cm.
Bibliografia:Includes bibliographies.
ISBN:9231014234