GURGUL, Henryk; SYREK, Robert. The relationship between WIG-subindexes: evidence from the Warsaw Stock Exchange. Managerial Economics, [S. l.], v. 15, n. 2, p. 149, 2015. DOI: 10.7494/manage.2014.15.2.149. Disponível em: https://journals.agh.edu.pl/manage/article/view/1367. Acesso em: 18 apr. 2025.