跨区域文化旅游资源整合开发研究——以陕甘宁蒙毗邻区为例
과구역문화여유자원정합개발연구——이협감저몽비린구위례
Research on Integration of Transregional Culture Tourism Resources——Taking the Shanxi-Gansu-Ningxia-Neimeng Border Region as an Example
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