Radkevich А., Arutiunian І. and Saikov, D. 2019. Conceptualization of theoretical and methodological paradigm of the building terms reserve calculation within the framework of implementation bases of optimization for the building processes organization of contracting companies. Ways to Improve Construction Efficiency. 1, 39 (Feb. 2019), 51–59. DOI:https://doi.org/10.32347/2707-501x.2019.39.51-59.