@article {533,
	title = {Computerized mastery testing using fuzzy set decision theory},
	journal = {Applied Measurement in Education},
	volume = {6},
	year = {1993},
	note = {(Also Educational Testing Service Research Report 94-37)},
	pages = {181-193},
	author = {Du, Y. and Lewis, C. and Pashley, P. J.}
}
