Young Bae Yun, Young Man Kwon, Myung Jae Lim, Jeong Jun Park, and Dong Kun Chung. 2021. “Development of Kodály Hand Sign Educational Tools Using Multi-Layer Perceptron”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (13):6169-74. https://doi.org/10.17762/turcomat.v12i13.9897.