Verigo, Anastasiya V. “Theoretical and Methodological Study of the Problems of Observation the State of the National Economic System and Analysis of the National Economic System”. Journal of the Belarusian State University. Economics, no. 2 (December 31, 2025): 111–125. Accessed July 19, 2026. https://journals.bsu.by/index.php/economy/article/view/7401.