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Subject Term
- extension communication3
- pamphlets[remove]3
- readership[remove]3
- education effects2
- extension information2
- extension methods2
- farmers2
- information sources2
- value of information2
- Puerto Rico, USA (Latin America; Caribbean)1
- books1
- bulletins1
- circulation1
- communication barriers1
- concepts1
- distribution1
- extension1
- extension services1
- farm journals1
- farming methods1