You searched for: Start Over Collection Agricultural Communications Documentation Center (ACDC) Remove constraint Collection: Agricultural Communications Documentation Center (ACDC) Publication Year 1972 Remove constraint Publication Year: 1972 Year Published (Range) over 25 Years Remove constraint Year Published (Range): over 25 Years Subject Term agricultural development Remove constraint Subject Term: agricultural development Subject Term technological advancement Remove constraint Subject Term: technological advancement Subject Term diffusion of information Remove constraint Subject Term: diffusion of information

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