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- Idaho, USA1
- Washington, USA1
- agricultural development1
- agricultural education1
- development1
- education1
- educational methods1
- educational television1
- extension1
- extension services1
- extension systems1
- farmers1
- farming systems research1
- higher education1
- image1
- livestock1
- non-formal education1
- on-farm research1
- participation1
- poultry1