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Subject Term
- Beal, George M.1
- Bohlen, Joe1
- Gross, Neal1
- Iowa State University1
- National Project in Agricultural Communications (NPAC)[remove]1
- Raudabaugh, Neal1
- Rogers, Everett1
- Ryan, Bryce1
- adoption1
- adoption process1
- agricultural development1
- communication research1
- communication theory1
- diffusion1
- diffusion of information1
- farming1
- historical research1
- history1
- innovations1
- professional development1