影响移民流动性的地理门槛与移民政策①
Martin van der VELDE, Ton van NAERSSEN
地理科学进展 ›› 2017, Vol. 36 ›› Issue (12) : 1540-1551.
影响移民流动性的地理门槛与移民政策①
Acting on Thresholds: Policies and geographical thresholds to mobility
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