Mikułowski, D., G. Terlikowski, and J. Brzostek-Pawłowska. “Virtual Cubarithms – Innovative Assistive Technology for Teaching the Blind and Visually Impaired Students Traditional Columnar Layout Operations”. Studia Informatica. System and Information Technology, vol. 20, no. 1-2, May 2019, pp. 17-25, https://czasopisma.uph.edu.pl/studiainformatica/article/view/187.