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Subject Term
- educational media[remove]178
- media effectiveness52
- teaching methods45
- development communication42
- development37
- rural development37
- extension communication35
- educational methods29
- distance education23
- extension22
- education effects20
- audiovisual media18
- farmers17
- information technology17
- radio17
- education programs16
- teaching aids16
- video16
- visual communication16
- India15