SOFRONOV, B. IMPACT OF SUSTAINABLE TOURISM IN THE TRAVEL INDUSTRY. Annals of Spiru Haret University. Economic Series , [S. l.], v. 17, n. 4, p. 85–94, 2017. DOI: 10.26458/1747. Disponível em: https://anale.spiruharet.ro/economics/article/view/1747. Acesso em: 26 apr. 2024.