Varadzhakova, D., Mancheva-Ali, O., Kostadinova, N., Dimitrov, S., Godzhaeva, E., Naumov, N., Thangadurai, S. (Eds.) Proceedings of the international scientific conference on “Tourism and the global crises”, Tourism Department at Faculty of Ecomomics of the “St. Cyril and St. Methodius” Univesity of Veliko Turnovo, Bulgaria, 21 april 2021, Publishing house “I and B”, 2021.
Gli atti di convegno sono disponibili al seguente link: https://drive.google.com/file/d/1flA60TOwhZZM3obmmPLF_TbIBOJz0T84/view