THANH, T. D. The Ha Long Bay Geological Wonder. Vietnam Journal of Earth Sciences, [S. l.], v. 34, n. 2, p. 162–172, 2012. DOI: 10.15625/0866-7187/34/2/1919. Disponível em: https://vjs.ac.vn/index.php/jse/article/view/1919. Acesso em: 23 may. 2024.