LIS, Piotr. Preface. Research Papers in Economics and Finance, [S. l.], v. 6, n. 1, p. 3–4, 2022. DOI: 10.18559/ref.2022.1.0. Disponível em: https://journals.ue.poznan.pl/REF/article/view/155. Acesso em: 4 nov. 2024.