Yancheva, K. Guidelines for Improving an Event Tourism Product. Varna: Union of Scientists - Varna, 2023 pp. 126-138, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Yancheva, K. Guidelines for Improving an Event Tourism Product. Varna: Union of Scientists - Varna, 2023 pp. 126-138, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Yancheva, K. (2023) Guidelines for Improving an Event Tourism Product, Varna: Union of Scientists - Varna pp. 126-138, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Yancheva, K. (2023). Guidelines for Improving an Event Tourism Product. Varna: Union of Scientists - Varna, pp. 126-138.
Yancheva K. Guidelines for Improving an Event Tourism Product. Varna: Union of Scientists - Varna; 2023. p. pp. 126-138. ISBN: ISSN 1314-7390 (рrint) ; 2603-4085 (online).