Proceedings of the 49th International Academic Conference. Conference. Proceedings of the 49th International Academic Conference, Dubrovnik : 27 - 30 August 2019. 1st Edition. Prague : International Institute of Social and Economic Sciences IISES, 2019. [186 s.]. Dostupné na : <https://www.iises.net/proceedings/iises-international-academic-conference-dubrovnik/front-page> ISBN 978-80-87927-76-2. ISSN 2336-5617.