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在您的搜尋 主題建議
Agriculture
Agriculture and state
Economic aspects
4
Economic conditions
2
Economic policy
2
History
2
Abbasids
1
Agricultural productivity
1
Communication in agriculture
1
Dissertations
1
Dissertations, Academic
1
Economic aspects History
1
Economic conditions History
1
Evaluation
1
Farmers
1
Government policy
1
Information services
1
Islam
1
Religious aspects
1
Rural development
1
Science and state
1
Technology transfer
1
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1
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2
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3
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9