TAHIR, M. .; REHMAN, Z. U. .; HUSAIN, S. .; MUHAMMAD, N.; NAZIR, M.; SADIQ, M.; HUSSAIN, I. UP-Gradation of black shale of Chimiari region of Pakistan by flotation scheme. Journal of Himalayan Earth Sciences, [S. l.], v. 53, n. 2, p. 60-69, 2020. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1802. Acesso em: 24 apr. 2025.