1. Andreas, L., Marcelo, O., Simon, S., and Pierre, L.V. (2022, October 31). There Goes Gravity: How eBay Reduces Trade Costs. CEPR Discussion Paper No. DP9094, 1 October 2012. Available online: https://ssrn.com/abstract=2153544.
2. The selection of contracts in supply chains: An empirical analysis;J. Oper. Manag.,2016
3. Zhang, G. (2020). Research on Influencing Factors of Fresh Agricultural Products Supply Chain Based on Grey Relational Degree Analysis, Wuhan Polytechnic University.
4. Optimization of promised delivery time in cross-border supply chain considering customs clearance efficiency;Logist. Sci. Technol.,2016
5. Research on E-commerce and logistics distribution model;Sci. Res.,2017