Visual Aids in Agricultural Extension no. 3

    Collection:
    Agricultural Communications Documentation Center (ACDC)
    Contributers:
    Narvaez, Enrique Sanchez (author / Inter-American Institute of Agricultural Sciences of the O.A.S.) and Herrera, Guillermo Combariza (author / Inter-American Institute of Agricultural Sciences of the O.A.S.)
    Format:
    Booklet
    Publication Date:
    1957-07
    Published:
    Costa Rica
    Location:
    Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 176 Document Number: C30361
    Subject Term:
    audiovisual materials, communication planning, communication techniques, instructional materials, print media, teaching aids, visual communication, and printing production

    Tools