Bondar, O., Medyanyk, V., Pokolenko, V. , Bushuyeva, N. and Mudra, M. 2021. Methodical basis of formation of digital space performance of contractual construction works. Ways to Improve Construction Efficiency. 1, 47 (Jan. 2021), 64–78. DOI:https://doi.org/10.32347/2707-501x.2021.47(1).64-78.