NURFITRIANI, W. Symmetry and Asymmetry of World Oil Prices Against Major World Stock Indices. SINTESA, [S. l.], v. 13, n. 2, p. 155–161, 2022. Disponível em: https://ejournal.unsap.ac.id/index.php/sintesa/article/view/573. Acesso em: 3 jun. 2026.