BELANOVÁ, Katarína. Development of Economic Performance of Small and Medium – sized Enterprises in the Slovak Republic in the Context of the Impact of COVID - 19. In XVII. IBANESS Congress Series on Economics, Business and Management - Plovdiv / Bulgaria. Proceedings of XVII. International Balkan and Near Eastern Social Sciences Congress Series on Economics, Business and Management-Plovdiv : Proceedings. - Plovdiv : University of Agribusiness and Rural Development, 2022. ISBN 978-619-203-323-1, pp. 145-150 online. VEGA 1/0688/20.