DEB, D.; RAO ISLAVATH, S. Time and motion study of dumpers and shovel deployed at a shallow depth mine. Journal of Mines, Metals and Fuels, [S. l.], v. 66, n. 1, p. 1–7, 2021. DOI: 10.18311/jmmf/2018/27969. Disponível em: http://www.informaticsjournals.com/index.php/jmmf/article/view/27969. Acesso em: 14 may. 2024.