Mathematical Model and Simulated Annealing Algorithm for the Two-Dimensional Loading Heterogeneous Fixed Fleet Vehicle Routing Problem

Table 1

Contributions of previous studies.

Authors	Limited fleet	Items rotation	Sequential loading
Leung et al. [18]	No	No	Yes
Dominguez et al. [19]	No	Yes	No
Zhang et al. [20]	No	No	Yes
Sabar et al. [21]	No	No	No
This paper	Yes	No	Yes