HAOLAI, S. Tourism in North East: Problems and prospects. International journal of health sciences, [S. l.], v. 6, n. S1, p. 5161–5170, 2022. DOI: 10.53730/ijhs.v6nS1.6025. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/6025. Acesso em: 22 may. 2026.