Kuzmuk О. М. The Middle Class Identification Means as Methodical Problem. Sociological Studios, [S. l.], n. 1(1), p. 66–71, 2018. DOI: 10.29038/2306-3971-2012-01-66-71. Disponível em: https://sociostudios.knu.ua/index.php/socio/article/view/26. Acesso em: 24 sep. 2026.