The traveling salesman problem with backhauls

Perturbation heuristics for the pickup and delivery traveling salesman problem

Computers and Operations Research

A neural network algorithm for the traveling salesman problem with backhauls

Computers and Industrial Engineering - Special issue: Focussed issue on applied meta-heuristics

A tabu search algorithm for the vehicle routing problem with simultaneous pick-up and delivery service

Computers and Operations Research

Self-organizing feature maps for the vehicle routing problem with backhauls

Journal of Scheduling

The single vehicle routing problem with deliveries and selective pickups

Computers and Operations Research

A tabu search algorithm for the vehicle routing problem with simultaneous pick-up and delivery service

Computers and Operations Research

Urban pickup and delivery problem considering time-dependent fuzzy velocity

Computers and Industrial Engineering

A hybrid heuristic approach for the multi-commodity one-to-one pickup-and-delivery traveling salesman problem

Journal of Heuristics