Informally Self-Employed in Russia: Attitude to Formalization (On the Example of Saint Petersburg). International Journal of Criminology and Sociology, [S. l.], v. 9, p. 2217–2223, 2022. DOI: 10.6000/1929-4409.2020.09.264. Disponível em: https://neolifescience.com/index.php/ijcs/article/view/7960. Acesso em: 16 jan. 2026.