KOZAK, Sylwester. The role and importance of the small business sector in the economic development of the Mazowieckie Province. Management and Administration Journal, [S. l.], v. 41, n. 114, p. 60–70, 2019. Disponível em: https://czasopisma.uws.edu.pl/znadministracja/article/view/401. Acesso em: 5 oct. 2024.