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Subject Term
- audiovisual media[remove]196
- video60
- media effectiveness55
- development communication50
- extension communication43
- educational media41
- rural development40
- development38
- teaching methods31
- visual communication30
- extension26
- educational video25
- educational media video23
- farmers23
- films23
- radio20
- videotapes20
- audiovisual training18
- participation18
- teaching aids18