KOLNHOFER-DERECSKEI, Anita; CSONGRÁDI, Gyöngyi; TÓTH, Arnold; HAUBER, György. 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: 18 feb. 2026.