Han Lin, Herrick Yeap, and Norhanifah Murli. “BIM Sign Language Translator Using Machine Learning (TensorFlow)”. Journal of Soft Computing and Data Mining, vol. 3, no. 1, June 2022, pp. 68-77, https://penerbit.uthm.edu.my/ojs/index.php/jscdm/article/view/11662.