DICHEVA, Milena; KOVACHEVA, Stanislava. Best practices for alternative tourism services in Bulgaria. International Scientific Conference “Business and Management”, [S. l.], v. 8, p. 1–8, 2014. DOI: 10.3846/bm.2014.089. Disponível em: https://conferences.vilniustech.lt/index.php/BM/article/view/718. Acesso em: 13 sep. 2026.