1. A new enhancement of the Clarke and Wright savings heuristic for the capacitated vehicle routing problem;Altinel;Journal of the Operational Research Society,2005
2. A two-stage hybrid algorithm for pickup and delivery vehicle routing problems with time windows;Bent;Computers and Operations Research,2006
3. Routing and scheduling of vehicles and crews: The state of the art;Bodin;Computers & Operations Research,1983
4. A branch-and-cut algorithm for the dial-a-ride problem;Cordeau;Operations Research,2006
5. Cyrus, J. (1988). The vehicle scheduling problem: Models, complexity and algorithms. Ph.D. Thesis. Technical University of Nova Scotia, Department of Engineering, Halifax, NS.