@article{Qi Li_290, author = {Qi Li, Ye Dong, Yungang Liu}, title = {Characteristics of the Urban System and Its Influencing Factors in Pakistan}, publisher = {Tropical Geography}, year = {2021}, journal = {Tropical Geography}, volume = {41}, number = {2}, eid = {290}, pages = {290-302}, keywords = {;urban system;China-Pakistan Economic Corridor;The Belt and Road;Pakistan}, doi = https://www.rddl.com.cn/EN/10.13284/j.cnki.rddl.003330 }