PREMA S. The Wiener Index for Neutrosophic Labeling Graphs and Its Application in River Ecosystem Analysis. Communications in Mathematics and Applications, [S. l.], v. 16, n. 1, 2025. Disponível em: https://www.journals.rgnpublications.com/index.php/cma/article/view/2927. Acesso em: 18 aug. 2025.