KOLNHOFER-DERECSKEI, A.; CSONGRÁDI, G.; TÓTH, A.; HAUBER, G. Hypothetical demand curve and price for the COVID-19 vaccine. Forum Scientiae Oeconomia, [S. l.], v. 10, n. 4, p. 175–197, 2023. DOI: 10.23762/FSO_VOL10_NO4_9. Disponível em: https://ojs.wsb.edu.pl/index.php/fso/article/view/630. Acesso em: 24 jan. 2025.