MIZIOŁEK, T. Index Providers in the Global Financial Market. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 3, n. 335, p. 139–152, 2018. DOI: 10.18778/0208-6018.335.10. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/1782. Acesso em: 28 mar. 2024.