Cao, Junli
Li, Lin
Funding for this research was provided by:
The PPP financing mode of Infrustructure Connectivity in ShaanXi Provinceā, supported by Federation of Social and Scientific Communities. (2017Z072)
Article History
Accepted: 21 December 2021
First Online: 24 January 2022
Change Date: 20 February 2022
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1007/s00500-022-06869-4
Declarations
:
: The authors declare that they have no conflict of interest.