Mikułowski, D., Terlikowski, G., & Brzostek-Pawłowska, J. (2019). Virtual cubarithms – innovative assistive technology for teaching the blind and visually impaired students traditional columnar layout operations. Studia Informatica. System and Information Technology, 20(1-2), 17-25. https://czasopisma.uph.edu.pl/studiainformatica/article/view/187