| k-Splittable delay constrained routing problem: A branch-and-price approach Recent countries visiting this post |  |
 | 4 | United States |
 | 1 | Sweden |
 | 1 | Russian Federation |
 | 1 |
| k-Splittable delay constrained routing problem: A branch-and-price approach Recent countries visiting this post | |
| 4 | United States |
| 1 | Sweden |
| 1 | Russian Federation |
| 1 |