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Subject Term
- audiovisual media[remove]15
- audiovisual training5
- extension communication5
- media effectiveness5
- rural development5
- audiovisual equipment4
- development communication4
- educational media4
- video4
- videotapes4
- agricultural development3
- audiovisual materials3
- communication training3
- development3
- teaching aids3
- training methods3
- visual communication3
- Portugal2
- audiovisual aids2
- communicators2