BROUMI, S.; TALEA, M.; BAKALI, A.; SINGH, P. K.; SMARANDACHE, F. Energy and Spectrum Analysis of Interval Valued Neutrosophic Graph using MATLAB. Neutrosophic Sets and Systems, [S. l.], v. 24, p. 46-60, 2019. Disponível em: http://fs.unm.edu/NSS2/index.php/111/article/view/631. Acesso em: 4 oct. 2022.