LE, Tien Dung; VU, Dinh Hieu; NGUYEN, Anh Tuan. Characteristics of top coal fall in front of face support in longwall: A case study. <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 42, n. 2, p. 152–160, 2020. DOI: 10.15625/0866-7187/42/2/14955. Disponível em: http://vjes.vast.vn/jse/article/view/14955. Acesso em: 8 nov. 2025.