THI PHUONG, H. N. Opportunity for Colombia attracting tourism from Vietnam: emeralds, health and Spanish learning. Online Journal Mundo Asia Pacifico, [S. l.], v. 7, n. 13, p. 100–112, 2019. Disponível em: https://publicaciones.eafit.edu.co/index.php/map/article/view/5467. Acesso em: 29 mar. 2024.