Mikułowski, Dariusz, Grzegorz Terlikowski, and Jolanta Brzostek-Pawłowska. 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.