Festivals of kiselo mlyako – a culinary tourism offer from Bulgaria to Europe and the rest of the world. Geography and Tourism, [S. l.], v. 1, n. 5, p. 67–72, 2017. Disponível em: https://czasopisma.ukw.edu.pl/index.php/gat/article/view/65.. Acesso em: 23 nov. 2024.