Shkarupilo, . V. ., V. . Lakhno, N. Konyrbaev, Z. Baishemirov, A. . Adranova, and A. . Derbessal. “Hierarchical Model for Building Composite Web Services:”. Journal of Mathematics, Mechanics and Computer Science, vol. 122, no. 2, June 2024, pp. 124-37, doi:10.26577/JMMCS2024-122-02-b10.