Ying Zhong, Yanyan Yao, Xiaoting Huang. Bipolar Pythagorean Neutrosophic Aggregation Operator for Voice of the Guest: Evaluating Hotel Management Service Quality through Customer Feedback . Neutrosophic Sets Syst. [Internet]. 2025 Sep. 1 [cited 2025 Jul. 21];87:1063-72. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/6776