T. Fujita, “A Proposed Framework for Fuzzy and NeutrosophicExtensions of Service Integration and Management (SIAM)and ITIL-Based Models”, J. Intell. Decis. Mak. Granul. Comput., vol. 1, no. 1, pp. 161–198, Jul. 2025, doi: 10.31181/jidmgc11202510.