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Subject Term
- extension communication5
- media effectiveness[remove]5
- information services2
- information technology2
- roles2
- Sri Lanka1
- Zaire1
- adoption1
- communication units1
- crops1
- distribution1
- economic information1
- electronic mail1
- farmer needs1
- gatekeepers1
- gatekeeping1
- information issues1
- interpersonal communication1
- media relations1
- meetings1