@book{17552,
	author = {Block, James H and Block, James H. and American Educational Research Association. and Society, schools and mastery learning symposium, 1973.},
	title = {Schools, society, and mastery learning /},
	publisher = {Holt, Rinehart and Winston,},
	year = {cop. 1974.},
	address = {New York, NY [etc.] :},
	note = {Ondertitel op omslag: if mastery learning can be succesfully implemented ... ... then what follows for schools and society?}
}