Tobias, M. S. G., da Rocha, M. P. da C., & Pereira Afonso, P. S. L. (2022). Sustainability of Passenger Waterway Transportation under Demand and Service Level Constraints: A case study in Belém, Brazil.
International Journal of Advanced Engineering Research and Science,
9(6).
https://journal-repository.com/index.php/ijaers/article/view/5133