ABDULHAKIM, M. K. . Economic Essence and Classification Features of Entrepreneurial Activity. Miasto Przyszłości, [S. l.], v. 33, p. 275–279, 2023. Disponível em: https://miastoprzyszlosci.com.pl/index.php/mp/article/view/1231. Acesso em: 21 dec. 2024.