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Subject Term
- extension[remove]15
- presentation[remove]15
- extension communication13
- extension methods9
- teaching methods6
- visual communication6
- audience analysis3
- audiovisual media3
- educational media3
- educational methods3
- evaluation3
- group teaching3
- illustrations3
- training methods3
- Internet2
- audience research2
- demonstrations2
- feedback2
- films2
- horticulture2