SANA, H.; HUSSAIN, M. A.; MUJAHID, R.; RIAZ, A.; AKRAM, M. S.; HAIDER, B.; AHSAN, A.; KANWAL, S.; ZEB, H. Cleaning of Thar coal by froth flotation and water washing. Journal of the Pakistan Institute of Chemical Engineers, [S. l.], v. 50, n. 2, 2023. DOI: 10.54693/piche.05024. Disponível em: http://piche.org.pk/journal/index.php/jpiche/article/view/556. Acesso em: 26 apr. 2024.