Goyko, A.F., and L.V. Sorokina. “Іmperfection of the Scientific Methodproviding an Assessment of the Efficiency of Investments”. Ways to Improve Construction Efficiency 1, no. 52 (November 24, 2023): 238–250. Accessed April 3, 2025. http://ways.knuba.edu.ua/article/view/297571.