DRAGOMIR, C.; MANOLE, I. C. Graphs in maritime transports. Technium, Constanta, Romania, v. 2, n. 4, p. 6–12, 2020. DOI: 10.47577/technium.v2i4.838. Disponível em: https://techniumscience.com/index.php/technium/article/view/838. Acesso em: 24 jun. 2021.