ERAZ 2021. International Scientific Conference. International Scientific Conference ERAZ - Knowledge Based Sustainable Development : Book of Abstracts (Part of ERAZ Conference Collection). Editor: Vuk Bevanda. 1st Edition. Belgrade : Association of Economists and Managers of the Balkans, 2021. 103 s. Available on Internet: <https://eraz-conference.com/wp-content/uploads/2022/03/ERAZ_2021-BoA-WEB.pdf> ISBN 978-86-80194-48-6. ISSN 2683-5568.