Analysis of Multiple Tourist Agents’ Symbiotic Relationship on the View of Tourist Enterprises Based on a Grey Correlation Model: A Case Study of Qinghai Lake, China
XIANG Cheng,TANG Zhongxia,LIU Menglin,SHAO Li
Journal of Resources and Ecology . 2019, (3): 335 -344 .  DOI: 10.5814/j.issn.1674-764X.2019.03.012