@article{Shiyang LI_1514, author = {LI Shiyang,ZHU Huasheng,DING Yue}, title = {The impact of international trade on regional skill upgrading: Analysis of prefecture-level cities in the mainland of China}, publisher = {PROGRESS IN GEOGRAPHY}, year = {2019}, journal = {PROGRESS IN GEOGRAPHY}, volume = {38}, number = {10}, eid = {1514}, pages = {1514-1522}, keywords = {;international trade;labor force;skill upgrading;human capital;China}, doi = https://www.progressingeography.com/EN/10.18306/dlkxjz.2019.10.007 }