Yancheva, K. Peculiarities and Importance of Bulgarian Folklore Congregations as a Form of Cultural Tourism. On the Example of the Koprivshtitsa Folklore Fair. Blagoevgrad: SWU Neofit Rilski Publ. House, 2015 pp. 89 - 95, 978-954-00-0008-4.
Yancheva, K. Peculiarities and Importance of Bulgarian Folklore Congregations as a Form of Cultural Tourism. On the Example of the Koprivshtitsa Folklore Fair. Blagoevgrad: SWU Neofit Rilski Publ. House, 2015 pp. 89 - 95, 978-954-00-0008-4.
Yancheva, K. (2015) Peculiarities and Importance of Bulgarian Folklore Congregations as a Form of Cultural Tourism. On the Example of the Koprivshtitsa Folklore Fair, Blagoevgrad: SWU Neofit Rilski Publ. House pp. 89 - 95, 978-954-00-0008-4.
Yancheva, K. (2015). Peculiarities and Importance of Bulgarian Folklore Congregations as a Form of Cultural Tourism. On the Example of the Koprivshtitsa Folklore Fair. Blagoevgrad: SWU Neofit Rilski Publ. House, pp. 89 - 95.
Yancheva K. Peculiarities and Importance of Bulgarian Folklore Congregations as a Form of Cultural Tourism. On the Example of the Koprivshtitsa Folklore Fair. Blagoevgrad: SWU Neofit Rilski Publ. House; 2015. p. pp. 89 - 95. ISBN: 978-954-00-0008-4.