@inproceedings{EDM-2017-LiFZ,
	author        = "Yuntao Li and Chengzhen Fu and Yan Zhang",
	booktitle     = "{Proceedings of the 10th International Conference on Educational Data Mining}",
	ee            = "http://educationaldatamining.org/EDM2017/proc_files/papers/paper_30.pdf",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{When and who at risk? Call back at these critical points}",
	year          = 2017,
}