Authors
Marinela Ilieva
St. Cyril and St. Methodius University of Veliko Tarnovo, Veliko Tarnovo, Bulgaria
Vanya Tsonkova
St. Cyril and St. Methodius University of Veliko Tarnovo, Veliko Tarnovo, Bulgaria
© 2024 Marinela Ilieva, Vanya Tsonkova, published by Bucharest University of Economic Studies
This work is licensed under the Creative Commons Attribution 4.0 License.