@article {4210,
	title = {Development of a reading material recommendation system based on a knowledge engineering approach},
	journal = {Computers \& Education},
	volume = {55},
	year = {2010},
	month = {08/2010},
	pages = {76 - 83},
	issn = {03601315},
	doi = {10.1016/j.compedu.2009.12.004},
	author = {Hsu, Ching-Kun and Hwang, Gwo-Jen and Chih-Kai Chang}
}
