Xinyuan Zhang. Novel Dynamic Multi-depth Neutrosophic Coordinate Model for Teaching Performance Analysis in College Electronic Piano Courses with numerical examples and a Mathematical framework . Neutrosophic Sets Syst. [Internet]. 2025 Nov. 1 [cited 2026 Jun. 1];90:48-57. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/6757