基于突变级数法的城市旅游竞争力评价研究--以珠江三角洲城市为例
기우돌변급수법적성시여유경쟁력평개연구--이주강삼각주성시위례
Study ofCity Tourism Competitive PowerEvaluation Based on CPM-Takingthe cities inPearl River Delta for example
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