SKRYPNYK, Olga, and Andriy SKRYPNYK. “Use of over-the-Country Derivatives to Protect Construction Enterprises from Price and Sales Risks Caused by Economic Cyclicality (using the Example of the Aerated Concrete Market)”. Ways to Improve Construction Efficiency 1, no. 56 (November 25, 2025): 42–53. Accessed January 24, 2026. https://ways.knuba.edu.ua/article/view/347667.