@article{xie_trends_2019,
	title = {Trends and development in technology-enhanced adaptive/personalized learning: {A} systematic review of journal publications from 2007 to 2017},
	volume = {140},
	issn = {0360-1315},
	doi = {10.1016/j.compedu.2019.103599},
	journal = {Computers \& Education},
	author = {Xie, H. and Chu, H.-C. and Hwang, G.-J. and Wang, C.-C.},
	year = {2019},
	pages = {1--16},
}