Neighbor Sum Distinguishing Total Chromatic Number of Graphs with Lower Average Degree. Journal of Mathematical Study, [S. l.], v. 56, n. 2, p. 206–218, 2023. DOI: 10.4208/jms.v56n2.23.06. Disponível em: https://global-sci.com/index.php/jms/article/view/13445. Acesso em: 6 dec. 2025.