DUNG, Nguyen Thi. Mục lục số 3. <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 33, n. 3, 2011. DOI: 10.15625/0866-7187/33/3/347. Disponível em: https://vjs.ac.vn/jse/article/view/347. Acesso em: 6 dec. 2025.