Shyshatskyi, A., Zhuravskyi, Y., Plekhova, G., Shostak, I., Odarushchenko, E., Feoktystova, O., Shostak, S., Protas, N., Shaposhnikova, O. and Hnatiuk, N. 2026. Development of a scientific and methodological apparatus for ensuring the functional reliability of special-purpose information systems. Eastern-European Journal of Enterprise Technologies. 1, 4 (139) (Feb. 2026), 6–18. DOI:https://doi.org/10.15587/1729-4061.2026.349975.