National Project in Agricultural Communications

National Project in Agricultural Communications · Association for Educational Communications and Technology

160 sayfa · 1960

Communication

National Project in Agricultural Communications. · U.S. International Cooperation Administration

95 sayfa · 1956

Audio-visual aids / Study and teaching / Agriculture

National Project in Agricultural Communications. · Michigan State University

123 sayfa · 1960

Agriculture / Information services

National Project in Agricultural Communications · Iowa State University Press

Sayfa sayısı yok · 1962

Information storage and retrieval systems / Agriculture / Classification / Books / Subject headings

National Project in Agricultural Communications. · Michigan State University

56 sayfa · 1956

Television in agriculture. / Agricultural extension work -- United States. / Agricultural education -- United States.

National Project in Agricultural Communications. · American Association of Land Grant Colleges and State Universities]

Sayfa sayısı yok · 1965

Agricultural extension work -- Study and teaching.