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Subject Term
- USA (United States of America; North America)[remove]3
- book review2
- extension services2
- USDA (United States Department of Agriculture)1
- adult education1
- advisory services1
- agricultural cooperative1
- agricultural development1
- agricultural extension1
- communication methods1
- communication systems1
- cooperation1
- history1
- industrialization1
- information flow1
- knowledge exchange1
- land grant universities1
- local1
- local identity1
- marketing1