Jog, Sudhir R., and Jeetendra Gurjar. “Degree Sum Distance Spectra and Energy of Graphs”. International Journal Of Mathematics And Computer Research 11, no. 11 (November 8, 2023): 3852-3857. Accessed May 19, 2026. https://www.ijmcr.everant.org/index.php/ijmcr/article/view/653.