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Subject Term
- extension systems[remove]3
- needs assessment[remove]3
- extension programs2
- USA (United States of America; North America)1
- USDA (United States Department of Agriculture)1
- adoption1
- agricultural development1
- cooperation1
- data analysis1
- development communication1
- diffusion of information1
- employment1
- evaluation1
- extension1
- extension communication1
- extension services1
- farmers1
- food1
- grains1
- history1