Gou, Xunjie, Zeshui Xu, and Wei Zhou. “Managing Consensus by Multi-Stage Optimization Models With Linguistic Preference Orderings and Double Hierarchy Linguistic Preferences”. Technological and Economic Development of Economy 26, no. 3 (June 2, 2020): 642-674. Accessed November 24, 2024. https://jbem.vgtu.lt/index.php/TEDE/article/view/12013.