THAO, H. M.; HIEN, T. T.; ANH, D. D.; NGA, P. T. Mineralogical characteristics of graphite ore from Bao Ha deposit, Lao Cai Province and proposing a wise use. Vietnam Journal of Earth Sciences, [S. l.], v. 39, n. 4, p. 324–336, 2017. DOI: 10.15625/0866-7187/39/4/10728. Disponível em: https://vjs.ac.vn/index.php/jse/article/view/10728. Acesso em: 5 dec. 2024.