Subject Term
- animal health1
- computers1
- correspondence education1
- decision making1
- decision process1
- delivery systems1
- demonstrations1
- development programs1
- distribution1
- education programs1
- educational media1
- ethical issues1
- extension agents1
- extension education1
- farmer needs1
- farming systems research1
- home instruction1
- in-service training1
- information sources1
- information storage and retrieval systems1