Audiovisual Instruction.

Manylion Llyfryddiaeth
Teitl Newydd:udiovisual instruction with instructional resources.
Teitl Blaenorol:Instructional materials.
Awdur Corfforaethol: National Education Association of the United States. Dept. of Audiovisual Instruction
Fformat: Continuing Resource
Iaith:English
Cyhoeddwyd: Washington, D.C. Department of Audiovisual Instruction National Education Association of the United States.
Pynciau: