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Subject Term
- adoption process5
- diffusion process[remove]5
- media effectiveness[remove]5
- adoption4
- diffusion4
- communication research2
- communication theory2
- extension2
- extension communication2
- farmers2
- farming methods2
- information sources2
- interpersonal communication2
- research needs2
- agricultural development1
- audience analysis1
- change agent1
- circulars1
- corn1
- decision making1