The most dangerous volcanoes using minimum spanning tree of bipolar neutrosophic fuzzy graphs. Nonlinear Studies, [S. l.], v. 31, n. 4, p. 1197–1209, 2024. Disponível em: https://nonlinearstudies.com/index.php/nonlinear/article/view/3770. Acesso em: 11 oct. 2025.