Spatial structure of tourist market and its influencing factors in the Yangtze River Delta theme parks: A case study of Shanghai Happy Valley, Changzhou Dinosaur Park and Wuhu Fangte
YANG Zhao, LIU Yong-ting, QIN Jin-fang, LIU Bin, WANG Pan-pan, LIU Shi-jie, XU Zhi-yun
JOURNAL OF NATURAL RESOURCES . 2021, (3): 722 -736 .  DOI: 10.31497/zrzyxb.20210314