GURGUL, Henryk; MESTEL, Roland; SYREK, Robert. The Testing of Causal Stock Returns-Trading Volume Dependencies with the Aid of Copulas. Managerial Economics, [S. l.], v. 13, p. 21, 2013. DOI: 10.7494/manage.2013.13.21. Disponível em: https://journals.agh.edu.pl/manage/article/view/592. Acesso em: 5 dec. 2025.