@book{30694,
	author = {Block, James H.},
	title = {Schools, society, and mastery learning.},
	publisher = {Holt, Rinehart and Winston},
	year = {[c1974]},
	address = {New York},
	note = {"Based on papers presented at the Society, Schools, and Mastery Learning Symposium of the 1973 American Educational Research Association Convention."}
}