COMMITTE ON PUBLICATION ETHICS, COPE. Guidelines for retracting articles. Boletim Técnico do PPEC, Campinas, SP, v. 4, p. 12 p., 2019. Disponível em: https://econtents.sbu.unicamp.br/boletins/index.php/ppec/article/view/10.24318. Acesso em: 23 out. 2025.