URUNBAEVA YU. P. Socio-Economic Importance of the Service Sector in the Context of the Formation of the Digital Economy. Mathematical Statistician and Engineering Applications, [S. l.], v. 71, n. 4, p. 7568–7575, 2022. DOI: 10.17762/msea.v71i4.1375. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/1375. Acesso em: 18 may. 2024.