SINGH, S. S. DARK ENERGY AND THE ACCELERATING UNIVERSE: CHALLENGES IN COSMOLOGY. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 5, n. 5, p. 410–414, 2017. DOI: 10.29121/granthaalayah.v5.i5.2017.5982. Disponível em: https://granthaalayahpublication.org/journals/granthaalayah/article/view/5982. Acesso em: 25 oct. 2025.