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Subject Term
- extension communication[remove]65
- visual communication[remove]65
- extension38
- teaching methods14
- educational media13
- media effectiveness12
- photographs11
- extension methods10
- audiovisual aids9
- development communication9
- communication training7
- exhibits7
- extension agents7
- illustrations7
- posters7
- teaching aids7
- India6
- educational methods6
- extension services6
- farmers6