TY - PROGRESS IN GEOGRAPHY A1 - LIU Zhen, QI Wei, QI Honggang, LIU Shenghe T1 - Spatial distribution of population decline areas in China and underlying causes from a multi-periodical perspective Y1 - 2021-05-28 00:00:00.0 JF - PROGRESS IN GEOGRAPHY JO - PROGRESS IN GEOGRAPHY SP - 357 EP - 369 VL - 40 IS - 3 UR - {https://www.progressingeography.com/EN/10.18306/dlkxjz.2021.03.001} N1 - 10.18306/dlkxjz.2021.03.001 ER -