Xiuli Liu. “Expanded Triangular Fuzzy Neutrosophic Numbers for Safety Risk Evaluation of Urban Rail Transit Engineering: An Innovative Method for Better Risk Assessment”. Neutrosophic Sets and Systems 81 (April 1, 2025): 343–360. Accessed June 16, 2025. https://fs.unm.edu/nss8/index.php/111/article/view/5835.