应用生态学报
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Chinese Journal of Applied Ecology
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Tourism ecological security early warning of Zhangjiajie, China based on the improved TOPSIS method and the grey GM (1,1) model.
XU Mei1, LIU Chun-la2*, LI Dan3, ZHONG Xiao-lin1#br#
(1College of Tourism, Central South University of Forestry and Technology, Changsha 410004, China; 2 College of Resources and Environment Science, Hunan Normal University, Changsha 410081, China; 3College of Computer and Information Project, Central South University of Forestry and Technology, Changsha 410004, China).

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