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Subject Term
- extension[remove]5
- extension services4
- development2
- extension communication2
- extension programs2
- extension systems2
- rural development2
- China1
- Poland1
- agricultural development1
- agricultural research1
- agriculture research1
- developing countries1
- development programs1
- economics of information1
- education effects1
- extension education1
- farmers1
- government1
- information issues1