Chepurnova, N. M., and E. V. Venedyukhina, “Key Determinants of Corruption and the Shadow Economy in Russia: Legal Aspects”, Статьи, Gosudarstvennaya Sluzhba, 27/3 (2025), 6-10, https://gosudarstvennaya-sluzhba.owebs.ru/article/view/647, accessed 8 Nov. 2026.