S. Fu, C. Khiewngamdee, and J. Liu, “The Impact of Digital Economy on China’s Coastal Foreign Trade--Mediation Effect Based on E-Commerce and Urbanisation Level”, Int. J. Sci. Soc. Sci. Res., vol. 3, no. 1, pp. 75–83, May 2025, doi: 10.63671/ijsssr.v3i1.379.