LUKJANOVA, Jelena. Problems and trends of regional tourism development in Latvia. Economics Ecology Socium, [S. l.], v. 3, n. 1, p. 1–11, 2019. DOI: 10.31520/2616-7107/2019.3.1-1. Disponível em: https://ees-journal.com/index.php/journal/article/view/90. Acesso em: 16 aug. 2026.