GOPAL RAJAK; KUMAR, H. Determination of the Stability of pit slope of the Opencast Coal Mines Workings by Underground Mining. Journal of Mines, Metals and Fuels, [S. l.], v. 71, n. 3, p. 320–326, 2023. DOI: 10.18311/jmmf/2023/33713. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/33713. Acesso em: 10 may. 2024.