PUNGULESCU, C. . Using Textual Analysis to Diversify Portfolios . The Economics and Finance Letters, [S. l.], v. 9, n. 1, p. 87–98, 2022. DOI: 10.18488/29.v9i1.3028. Disponível em: https://archive.conscientiabeam.com/index.php/29/article/view/3028. Acesso em: 5 may. 2024.