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Change of rural regional system in deep poverty areas: A case study of Yangyuan County, Hebei Province https://www.progressingeography.com/EN/10.18306/dlkxjz.2020.06.006
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Change of rural regional system in deep poverty areas: A case study of Yangyuan County, Hebei Province https://www.progressingeography.com/EN/10.18306/dlkxjz.2020.06.006
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