Young Bae Yun, Young Man Kwon, Myung Jae Lim, Jeong Jun Park, and Dong Kun Chung. “Development of Kodály Hand Sign Educational Tools Using Multi-Layer Perceptron”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 13 (July 10, 2021): 6169–6174. Accessed May 5, 2024. https://turcomat.org/index.php/turkbilmat/article/view/9897.