The cooperative approach to audio-visual programs : a project of the Committee on County Cooperative Programs, DAVI

- McCarty, Henry R.
- Hartsell, Horace C.
- National Education Association of the United States. Dept. of Audiovisual Instruction
- National Education Association of the United States. Department of Rural Education

著者

- McCarty, Henry R.
- Hartsell, Horace C.
- National Education Association of the United States. Dept. of Audiovisual Instruction
- National Education Association of the United States. Department of Rural Education

prepared by Henry R. McCarty and Horace C. Hartsell

Dept. of Audio-Visual Instruction and Dept. of Rural Education, National Education Association, c1959

Description based on 2nd printing, 1962

Bibliography: p. 70-72