Huiqiu Du. A Plithogenic Neutrosophic Hypersoft Set-Based Framework with Comparative Analysis for Measuring Teaching Practice Effectiveness in University-Level Vocal Music Instruction. Neutrosophic Sets Syst. 2025;86:245-253. Accessed July 17, 2025. https://fs.unm.edu/nss8/index.php/111/article/view/6384