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- books[remove]17
- farm journals[remove]17
- farmers11
- information sources9
- history7
- newspapers7
- radio6
- television6
- extension5
- extension communication5
- information needs5
- interpersonal communication5
- trends in farm publishing5
- extension agents4
- media effectiveness4
- organizations4
- Internet3
- attitudes3
- extension services3
- journals3