Supplementary Materials for: "Sustainable multi-vehicle traveling purchaser problem with speed optimization and social cost of CO2"

Supplementary material #1: Data files of 24 MVTPP instances as MATLAB files used to validate the proposed heuristic in the article: "Sustainable multi-vehicle traveling purchaser problem with speed optimization and social cost of CO2". Supplementary material #2: Data files of 81 MVTPP instances as MATLAB files used to study the complexity of the problem investigated in the article: "Sustainable multi-vehicle traveling purchaser problem with speed optimization and social cost of CO2".