Sagirani, Tri, Lukito Edi Nugroho, Paulus Insap Santosa, Amitya Kumala, and . . “User Experience Improvement With Learning Media Using Dance Pads for Mentally Challenged Children”. International Journal of Engineering & Technology 8, no. 1.9 (January 26, 2019): 6–9. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/26357.