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Subject Term
- telephone communication[remove]18
- mobile communication systems15
- cell phones12
- smartphones12
- social media8
- farmers6
- Internet5
- web sites5
- applications (apps)4
- development communication4
- information technology4
- media use4
- attitudes3
- case studies3
- development3
- extension3
- extension agents3
- information sources3
- media effectiveness3
- participation3