The multi-depot family traveling salesman problem and clustered variants: Mathematical formulations and branch-&-cut based methods Networks Journal Article R. Bernardino L. Gouveia A. Paias D. Santos Publication Year of Publication: 2022 Volume: 80 Issue: 4 Pagination: 502-571 Identifiers ISSN: 10970037 00283045 Other Numbers: 2-s2.0-85137459213 Locators DOI: 10.1002/net.22125 Sustainable Development Goals