POTRYKUS, M. ASSESSMENT OF GOLD AND/OR CRUDE OIL AS INVESTMENTS FOR PORTFOLIO DIVERSIFICATION. A WARSAW STOCK EXCHANGE CASE STUDY. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 18, n. 4, p. 77–84, 2019. DOI: 10.22630/ASPE.2019.18.4.47. Disponível em: https://aspe.sggw.edu.pl/article/view/183. Acesso em: 22 nov. 2024.