@book{40788,
	author = {Shimizu, Yoshinori,},
	title = {Mathematical Tasks in Classrooms Around the World /},
	publisher = {Brill | Sense,},
	year = {2010.},
	series = {The Learner’s Perspective Study ;},
	address = {Leiden; },
	url = {http://dx.doi.org/10.1163/9789460911507}
}