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Theoretical foundation and patterns of coordinated development of the Beijing-Tianjin-Hebei Urban Agglomeration https://www.progressingeography.com/EN/10.18306/dlkxjz.2017.01.002
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Theoretical foundation and patterns of coordinated development of the Beijing-Tianjin-Hebei Urban Agglomeration https://www.progressingeography.com/EN/10.18306/dlkxjz.2017.01.002
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