Tobias MSG, da Rocha MP da C, Pereira Afonso PSL. Sustainability of Passenger Waterway Transportation under Demand and Service Level Constraints: A case study in Belém, Brazil. ijaers [Internet]. 2022 Jul. 2 [cited 2024 Jul. 22];9(6). Available from: https://journal-repository.com/index.php/ijaers/article/view/5133