SOFRONOV, B. THE DEVELOPMENT OF MARKETING IN TOURISM INDUSTRY. Annals of Spiru Haret University. Economic Series , [S. l.], v. 19, n. 1, p. 117–127, 2019. DOI: 10.26458/1917. Disponível em: https://www.anale.spiruharet.ro/economics/article/view/1917. Acesso em: 3 mar. 2024.