SINGH, S. K.; SINGH, R.; SINGH, A. P.; AGRAWAL, H. Closing of a Running Mine and Suggesting a New Approach of Winning of Otherwise-Left Unextracted Coal Reserves. Journal of Mines, Metals and Fuels, [S. l.], v. 64, n. 8, p. 335–340, 2022. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/31553. Acesso em: 2 may. 2024.