Subject Term
- audience analysis1
- case studies1
- communication planning1
- concepts1
- cooperative programs1
- crops1
- developing nations1
- development issues1
- economics1
- extension personnel1
- extension systems1
- farmers1
- farming systems research1
- feedback1
- information dissemination1
- information flow1
- information systems1
- information technology1
- interest groups1
- languages1