BOІKO М.; VEDMID Н.; OKHRIMENKO А. The transitivity of the national tourism system. Foreign trade: economics, finance, law, [S. l.], v. 100, n. 5, p. 55–69, 2018. Disponível em: https://journals.knute.edu.ua/foreign-trade/article/view/494. Acesso em: 5 may. 2024.