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DOI：10.3969/j.issn.1004-874X.2011.09.062
Author NameAffiliation
邓运员, 杨载田 衡阳师范学院资源环境与旅游管理系,湖南衡阳,421008
湖南科技经贸职业学院经济管理学院,湖南衡阳,421009 
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