An empirical study on the economic linkage characteristics of Yangtze River port cities based on discrete second-order derivatives
und
03. Juni 2023
Über diesen Artikel
Online veröffentlicht: 03. Juni 2023
Eingereicht: 23. Juni 2022
Akzeptiert: 26. Okt. 2022
DOI: https://doi.org/10.2478/amns.2023.1.00213
Schlüsselwörter
© 2023 Fang Xie et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Xie, Fang
Maanshan Technical College, Department of Economics& TradeChina
Song, Bingliang
Shanghai Maritime University, School of Economics & ManagementShanghai, China