TY - PROGRESS IN GEOGRAPHY A1 - LIU ling, LI Gang, XUE Shuyan, MA Xueyao, ZHOU Junjun, XU Tingting, WANG Jiaobei T1 - Spatiotemporal change and influencing factors of child trafficking crime in Sichuan Province Y1 - 2020-07-28 00:00:00.0 JF - PROGRESS IN GEOGRAPHY JO - PROGRESS IN GEOGRAPHY SP - 853 EP - 865 VL - 39 IS - 5 UR - {https://www.progressingeography.com/EN/10.18306/dlkxjz.2020.05.013} N1 - 10.18306/dlkxjz.2020.05.013 ER -