1. A cardinal principle : heeding the gatekeeper Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Claar, John B. (author / INTERPAKS) and INTERPAKS Format: Journal article Publication Date: 1985 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 61 Document Number: C01887 Journal Title: INTERPAKS Interchange Journal Title Details: 2(2) : 1-2 Notes: Emphasis on a farmer-centered approach by Extension rather than a top-down approach. "...farmers are still in control of which new technologies they will accept, and understanding must precede adoption."