@article {208686,
	title = {Role of Magnesium Salts in Coal De-Ashing by Flotation},
	journal = {Tenside surfactants and detergents},
	volume = {58},
	year = {2021},
	pages = {51-58},
	author = {Rawya Gamal and Nader A.A. Edress and Khaled A. Abuhasel and Ayman A. EL-MIDANY and El-Mofty, Salah E}
}
