MORAIS, J. Conflicts with de Sitter Vacua in Superstring Theory. McGill Science Undergraduate Research Journal, Montréal, Canada, v. 20, n. 1, p. 59–64, 2025. DOI: 10.26443/msurj.v1i1.337. Disponível em: https://msurjonline.mcgill.ca/article/view/337. Acesso em: 11 oct. 2025.