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Subject Term
- development communication[remove]29
- extension communication[remove]29
- rural development23
- development17
- extension15
- agricultural development13
- extension systems11
- development issues9
- extension services9
- extension programs8
- farmers8
- media effectiveness6
- developing countries5
- extension methods5
- roles5
- Africa4
- Asia4
- information issues4
- mass media4
- Latin America3