
Research on the Construction of the Optimum Tourism Circle in Jingjinji Region Based on GIS
XU Cheng-Jin, Zhong-Zhang-Qi, Wang-Zheng
Areal Research and Development ›› 2015, Vol. 34 ›› Issue (2) : 103-107,130.
Research on the Construction of the Optimum Tourism Circle in Jingjinji Region Based on GIS
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