Peng Tong, Bin Xie. A Refined Dual-Valued Neutrosophic COPRAS-Based Approach for Holistic Evaluation of English Teaching Standards . Neutrosophic Sets Syst. 2025;78:235-251. Accessed June 26, 2025. https://fs.unm.edu/nss8/index.php/111/article/view/5478