SOBOL, I.; SZMELTER, M. Non-deliverable forwards – factors of development and market structure. Przegląd Prawno-Ekonomiczny, [S. l.], n. 1, p. 111–126, 2022. DOI: 10.31743/ppe.12882. Disponível em: https://czasopisma.kul.pl/index.php/ppe/article/view/12882. Acesso em: 4 maj. 2024.