STAŠ, M. The crossing numbers of join products of eight graphs of order six with paths and cycles. Carpathian Mathematical Publications, [S. l.], v. 15, n. 1, p. 66–77, 2023. DOI: 10.15330/cmp.15.1.66-77. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/5173. Acesso em: 12 may. 2024.