Audiovisual Instruction.

Dades bibliogràfiques
Nou títol:udiovisual instruction with instructional resources.
Títol anterior:Instructional materials.
Autor corporatiu: National Education Association of the United States. Dept. of Audiovisual Instruction
Format: Continuing Resource
Idioma:English
Publicat: Washington, D.C. Department of Audiovisual Instruction National Education Association of the United States.
Matèries: