THE IMPROVEMENT OF ECONOMIC MECHANISM OF DEVELOPMENT OF SERVICES SPHERE THROUGH INNOVATIONS. International Engineering Journal For Research & Development, [S. l.], v. 5, n. 7, p. 5, 2020. DOI: 10.17605/OSF.IO/75CHT. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/1348. Acesso em: 2 oct. 2026.