KRAWIEC, M.; GÓRSKA, A. GRANGER CAUSALITY TESTS FOR PRECIOUS METALS RETURNS. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 16, n. 2, p. 13–22, 2015. Disponível em: https://qme.sggw.edu.pl/article/view/3763. Acesso em: 10 maj. 2024.