GRISHMANOVSKII, D. Y. .; SAMOLYSOV, P. V. .; TSVILIY-BUKLANOVA, A. A. .; RUSANOV, M. S. .; PAVLICHENKO, N. V. . Public Procurement in the Informal Economy’s Structure. The journal of contemporary issues in business and government, [S. l.], v. 26, n. 1, p. 68–73, 2020. Disponível em: https://cibgp.com/au/index.php/1323-6903/article/view/200. Acesso em: 18 jul. 2024.