ani, Andriy, Dwi Juniati, and Ketut Budayasa. “A Study of Geometry Concept Mathematization Process on Blind Student Visual Imagery”. International Journal of Engineering & Technology 7, no. 4.30 (November 30, 2018): 89–93. Accessed May 7, 2024. https://sciencepubco.com/index.php/ijet/article/view/22023.