| 1 | -- | 42 | Duygu Pamukçu, Burcu Balcik. A multi-cover routing problem for planning rapid needs assessment under different information-sharing settings |
| 43 | -- | 74 | Sacramento Quintanilla, Francisco Ballestín, Ángeles Pérez 0001. Mathematical models to improve the current practice in a Home Healthcare Unit |
| 75 | -- | 110 | Tânia Rodrigues Pereira Ramos, Maria Isabel Gomes Salema, Ana Paula F. D. Barbosa-Póvoa. A new matheuristic approach for the multi-depot vehicle routing problem with inter-depot routes |
| 111 | -- | 160 | Sandra Huber, Jean-François Cordeau, Martin Josef Geiger. A matheuristic for the swap body vehicle routing problem |
| 161 | -- | 198 | Mohammad Marufuzzaman, Farjana Nur, Amy E. Bednar, Mark A. Cowan. Enhancing Benders decomposition algorithm to solve a combat logistics problem |
| 199 | -- | 234 | Gustavo Bergantiños, Juan J. Vidal-Puga. One-way and two-way cost allocation in hub network problems |
| 235 | -- | 259 | Alexander Franz, Julia Rieck, Jürgen Zimmermann 0001. A long-term unit commitment problem with hydrothermal coordination for economic and emission control in large-scale electricity systems |
| 261 | -- | 296 | Xinan Yang, Hajem A. Daham. A column generation-based decomposition and aggregation approach for combining orders in inland transportation of containers |
| 297 | -- | 326 | Özlem Karsu, Hale Erkan. Balance in resource allocation problems: a changing reference approach |
| 327 | -- | 0 | . Outstanding Reviewer Award OR Spectrum 2019 |
| 329 | -- | 331 | . Acknowledgement to Reviewers |