1. Statistical Report of China Postal Industry (2017–2021). http://www.spb.gov.cn
2. Lee, H.L., Whang, S.: Winning the last mile of e-commerce. MIT Sloan Manag. Rev. 42(4), 54–62 (2001)
3. Kang, Y., Lee, S., Chung, B.D.: Learning-based logistics planning and scheduling for crowdsourced parcel delivery. Comput. Ind. Eng. 132(1), 271–279 (2019)
4. Zhou, H., Liu, B., Luan, T.H.: Chaincluster: engineering a cooperative content distribution framework for highway vehicular communications. IEEE Trans. Intell. Transp. Syst. 15(6), 2644–2657 (2014)
5. Ferdinand, F.N., Chung, K.H.: Collaborative system design in express delivery services: formulation and solution heuristic. ICIC Exp. Lett. Part B, Appl. Int. J. Res. Surv. 5(1), 1–8 (2014)