@article {1604,
	title = {Identifying empirical studies for mixed studies reviews: The mixed filter and the automated text classifier},
	journal = {Education for Information},
	year = {2020},
	pages = {1{\textendash}5},
	publisher = {IOS Press},
	author = {El Sherif, Reem and Langlois, Alexis and Du, Pan and Nie, Jian-Yun and Thomas, James and Hong, Quan Nha and Pluye, Pierre}
}
