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Subject Term
- extension[remove]210
- extension communication118
- extension services73
- farmers58
- extension programs45
- rural development35
- extension agents31
- development30
- information sources26
- participation26
- agricultural development25
- development issues25
- media effectiveness25
- extension methods24
- extension systems24
- radio24
- linkages23
- roles22
- development communication21
- information needs19