Development and promotion of tourism activities in the Bulgarian District of Sliven
B Stoykova, JL Vázquez… - Responsibility …, 2015 - responsibility-sustainability.org
The diversity of natural and cultural resources are one of the key factors for success in the
race for a successful sale of tourist services and attracting a large number of tourists. The …
race for a successful sale of tourist services and attracting a large number of tourists. The …