GEORGE, B.; THUMBAKARA, R. K.; JOSE, J. Soft Semigraphs and Different Types of Degrees, Graphs and Matrices Associated with Them: Discrete and Computational Geometry, Graphs, and Games. Thai Journal of Mathematics, [S. l.], v. 21, n. 4, p. 863–886, 2023. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1551. Acesso em: 8 may. 2024.