AMARAL, Maria. NEW ROLES OF SOURCES IN JOURNALISM: a study on information leaks (1970-2020). Brazilian journalism research, [S. l.], v. 21, n. 3, p. e1804, 2025. DOI: 10.25200/BJR.v21n3.2025.1804. Disponível em: https://bjr.sbpjor.org.br/bjr/article/view/1804. Acesso em: 26 jan. 2026.