GAJDA, Waldemar. The use of the Delphi method as a tool determining management of contemporary economic organisations. Oeconomia Copernicana, [S. l.], v. 6, n. 3, p. 137–150, 2015. DOI: 10.12775/OeC.2015.025. Disponível em: https://oeconomia.pl/index.php/oc/article/view/169. Acesso em: 14 jan. 2026.