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Subject Term
- extension[remove]69
- media selection[remove]69
- extension communication57
- extension methods31
- media effectiveness31
- extension agents21
- communication planning18
- extension services15
- farmers15
- information sources13
- information needs12
- mass media12
- newspapers12
- radio12
- television12
- extension programs11
- farming methods11
- attitudes10
- extension information9
- information services9