Browsing by Author 袁强 Yuan, Qiang

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Issue DateTitleAuthor(s)
2010东北黑土区水土流失的经济分析与政策改进 = Economic analysis and policy improvement on soil erosion in the mollisols region of Northeast刘国民 Liu, Guo Min; 袁强 Yuan, Qiang; 张国军 Zhang, Guo Jun