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Subject Term
- educational media[remove]106
- media effectiveness[remove]106
- extension communication40
- development communication37
- teaching methods31
- development30
- extension30
- rural development29
- education effects27
- educational methods21
- radio21
- educational media radio18
- extension methods17
- audiovisual media14
- visual communication14
- video13
- educational media television12
- farmers12
- agricultural development11
- distance education11