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Subject Term
- delivery systems[remove]11
- extension3
- developing nations2
- extension services2
- information dissemination2
- information needs2
- linkages2
- research2
- Alabama, USA1
- Iowa, USA1
- North Dakota, USA1
- Philippines1
- Seychelles1
- adoption1
- agricultural development1
- agricultural research1
- audiovisual aids1
- audiovisual media1
- change1
- communication channels1