KATOU, Anastasia A. COVID-19 and organisational performance: a quasi-longitudinal and multilevel study of Greece. Forum Scientiae Oeconomia, [S. l.], v. 9, n. 4, p. 117–135, 2021. DOI: 10.23762/FSO_VOL9_NO4_6. Disponível em: https://ojs.wsb.edu.pl/index.php/fso/article/view/448. Acesso em: 18 sep. 2026.