Mhaid Mhdi ALHAJJAR; Amaresh Chandra PANDA; Siva Prasad BEHERA. A Survey on the Crossing Number Problem. A Survey on the Crossing Number Problem, [S. l.], p. 1–52, 2023. DOI: 10.9734/bpi/mono/978-81-19102-51-8. Disponível em: https://stm.bookpi.org/ASCNP/article/view/9924. Acesso em: 9 jun. 2026.