Kyrychok, T., Korotenko, O., Talimonov, Y., & Kyrychok, A. (2023). Improving a method for determining the level of wear of the mark for people with visual impairments on Ukrainian hryvnia banknotes. Eastern-European Journal of Enterprise Technologies, 5(1 (125), 92–103. https://doi.org/10.15587/1729-4061.2023.287746