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Subject Term
- extension[remove]42
- extension services12
- development9
- rural development8
- extension programs7
- extension systems7
- extension agents6
- farmers6
- information needs6
- agricultural development5
- development issues5
- educational programs5
- information dissemination5
- technology transfer5
- USA4
- diffusion4
- farm management4
- policies4
- computers3
- economics of information3