RAO, R. V. N. S.; RAO, J. V. Classification of Algebraic Properties of Chromatic Polynomials. Journal of Scientific Research, [S. l.], v. 5, n. 3, p. 469–477, 2013. DOI: 10.3329/jsr.v5i3.11634. Disponível em: https://banglajol.info/index.php/JSR/article/view/11634. Acesso em: 16 apr. 2024.