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Subject Term
- teaching aids[remove]129
- educational media38
- teaching methods27
- educational methods25
- extension communication20
- visual communication20
- audiovisual media18
- development16
- development communication16
- rural development16
- audiovisual aids13
- training programs12
- teaching11
- audiovisual materials10
- communication education10
- training10
- training methods10
- communication planning9
- communication training9
- education programs9