T. Sahaj, “New tools and communication technologies for people handicapped physically, intellectually and socially as well as senior citizens”, in Virtualizing the lives of people with disabilities, G. Całek, J. Niedbalski, M. Racław, and D. Żuchowska-Skiba, Eds. Poland: Lodz University Press, 2021, pp. 19–43. doi: 10.18778/8220-739-2.02.