WEI, J.; YUAN-CHI, X. Study on the role of the accident statistics in the design of coal mine safety signs. Journal of Mines, Metals and Fuels, [S. l.], v. 69, n. 5, p. 143–148, 2021. DOI: 10.18311/jmmf/2021/28074. Disponível em: http://informaticsjournals.com/index.php/jmmf/article/view/28074. Acesso em: 9 may. 2024.