WYRZYKOWSKI, J. Bułgaria on the Central and Eastem Europe Tourism Market. Turyzm/Tourism, [S. l.], v. 17, n. 1-2, p. 193–201, 2007. DOI: 10.18778/0867-5856.17.1-2.14. Disponível em: https://czasopisma.uni.lodz.pl/tourism/article/view/10234. Acesso em: 14 may. 2024.