@article {208685,
	title = {Celestite upgrading by jigs in presence of steel balls as ragging material},
	journal = {Physicochemical Problems of Mineral Processing},
	volume = {57},
	year = {2021},
	pages = {118-128},
	author = {Ahmed Sobhy and Ayman A. EL-MIDANY and Suzan S. IBRAHIM}
}
