Sustainable multi-products delivery routing network design for two-echelon supplier selection problem in B2B e-commerce platformDhirendra Prajapati, H. Chelladurai, Fuli Zhou, Andrew W.H. Ip and Saurabh PratapRAIRO-Oper. Res., 56 4 (2022) 2115-2137DOI: https://doi.org/10.1051/ro/2022072