https://pmc.ncbi.nlm.nih.gov/articles/PMC7127363/
Impacts of high-speed rail on domestic air transportation in China - PMC
This study investigates the impacts of high-speed rail (HSR) on domestic air transportation in China using a new comprehensive modeling framework utilizing...
high speed railtransportation in china
https://open.bu.edu/items/8ea1b23f-9574-43b3-aebc-c6e1ec9dbf1d
A survey of the problems of transportation in China, with special reference to railroads
transportation in china
https://www.ibisworld.com/china/number-of-businesses/bus-transportation/761/
Bus Transportation in China Number of Businesses Statistics | IBISWorld
Number of Businesses statistics on the Bus Transportation industry in China
transportation in chinabusnumberstatisticsibisworld