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Subject Term
- machinery[remove]12
- farming methods4
- adoption3
- advertising3
- farmers3
- information seeking3
- media use3
- agricultural development2
- appeals (message)2
- color2
- diffusion2
- educational needs2
- farmer needs2
- illustrations2
- information sources2
- message content2
- readability2
- readership2
- socio-economic aspects2
- technical education2