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Subject Term
- audiovisual media[remove]25
- educational video[remove]25
- video21
- educational media video13
- media effectiveness8
- development communication7
- extension communication7
- teaching methods7
- development6
- participation6
- rural development6
- extension5
- farmers5
- training methods5
- videotapes5
- educational media4
- interactive media4
- agricultural development3
- case studies3
- roles3