KARÁCSONY, Péter. The impact of the corona virus crisis on the operation of small and medium-sized enterprises. Studia Mundi – Economica, [S. l.], v. 8, n. 4, p. 72–82, 2021. DOI: 10.18531/Studia.Mundi.2021.08.04.72-82. Disponível em: https://journal.uni-mate.hu/index.php/stm/article/view/3020. Acesso em: 5 dec. 2025.