Does Political Instability Affect on Business Efficiency of Russian Firms?. Advances in Systems Science and Applications, [S. l.], v. 24, n. 3, p. 11–30, 2025. DOI: 10.25728/assa.2024.2024.03.1984. Disponível em: https://ijassa.ipu.ru/index.php/ijassa/article/view/1984. Acesso em: 31 mar. 2025.