1. Abdullina, I. R., Shcheglov, V. Y. (2018). The shadow labor market of Russia. In: Shadow economy, 2(2), 47-53. ISSN 2541-7681.
2. Aksenov, I. A. (2019). The influence of the shadow sector on the state of the economy of the Russian Federation. In: Modern science-intensive technologies. Regional application, 1(57), 8-13. ISSN 2413-5399.
3. Botasheva, L. H., Sargsyan K. S. (2018). Identification and evaluation of the shadow economy: methodological aspect. In: Economics and managemen, 5, 28-37.
4. Burov, V. Yu. (2012). Determining the scale of the shadow. In: Vestnik-ekonomist : electronic journal. - URL: https://vseup.ru/static/articles/Burov_2.pdf.
5. Vetrova, E. A., Novikova, M. S. (2015). Features of the shadow economy in Russia. In: Topical issues of economics, management and finance in modern conditions : materials of scientific papers on the results of the International Scientific and Practical Conference.
6. Dergunova, E. F. (2018). The main ways to combat the shadow economy in Russia. In: PRO-Economics : electronic journal. URL: https://proeconomics.ru/catalog/2018/1/dergunova.pdf. - Date of publication: January.
7. Magomedov, Sh. M. [et al.] (2017). Methods of assessing the shadow economy. Moscow: Russian Academy of Natural Sciences, 24. ISBN 978-5-94515-178-9.
8. Omelchenko, E. N. (2017). Methods of combating the shadow economy. In: International Scientific and Technical Conference of Young scientists of V.G. Shukhov. Belgorod State Technological University named after V.G. Shukhov, 6201-6204.
9. Report of the working subgroup on the direction "Legalization of entrepreneurship and countering the shadow economy": website / Official portal of the state authorities of the Tyumen region. URL: https://admtyumen.ru (accessed 09.03.2022).
10. Suslina, A. L., Leukhin R. S. (2016). The fight against the shadow economy in Russia: private aspects of general problems. In: Financial Journal, 6(34). ISSN 2075-1990.
11. Shadow economy in Russia: website / Fincan.ru-2017. URL: http://fincan.ru/articles/94_tenevaja-ekonomika-v-rossii /? (accessed: 03/19/2022).
12. Shadow economy according to Rosstat: website / RosInfoStat. URL: https://rosinfostat.ru/tenevaya-ekonomika / (accessed: 03/19/2022).
13. Tumunbayarova, J. B., Antsiferova, M. D. (2018). Informal employment: causes and factors determining its level. In: Shadow economy, 23(4), 139-149. ISSN 2541-7681.
14. Kharlamova, E.V. (2018). Shadow economy in Russia: causes and forms of its manifestation. In: Shadow economy, 23, 1(57), 17-21. ISSN 2541-7681.
15. Shchetinina, A. R. (2019). The new tax regime for self-employed citizens in Russia. In: Humanitarian Scientific Journal, 1, 216-221.
16. International Monetary Fund: official site. 2022. URL: https://www.imf.org/external/