A QSPR Investigation of Octane Isomers Using Degcity Indices. Pi International Journal of Mathematical Sciences, [S. l.], v. 2, n. 5, p. 8–15, 2026. DOI: 10.59828/pijms.v2i5.52. Disponível em: https://pijms.com/index.php/pijms/article/view/52. Acesso em: 8 nov. 2026.