Economic competitiveness and sustainability [elektronický zdroj] : 23rd Annual International Conference, abstracts, March 25th -26th, 2021, Brno Czech republic / editori Svatopluk Kapounek, Hana Vránová . Brno :  Mendel University , 2021 . online 67 s . ISBN 978-80-7509-784-2
https://ecos.mendelu.cz/wcd/w-rek-ece/ecos2021_sbornik_final2.pdf .