Broumi S, Talea M, Bakali A, Singh PK, Smarandache F. Energy and Spectrum Analysis of Interval Valued Neutrosophic Graph using MATLAB. Neutrosophic Sets Syst. 2019;24:46-60. Accessed June 3, 2024. http://fs.unm.edu/nss8/index.php/111/article/view/631