@book{86821,
	author = {Van de Walle, John A. and Lovin, LouAnn H.},
	title = {Teaching student-centered mathematics.},
	publisher = {Pearson,},
	year = {2014.},
	series = {The Van de Walle professional mathematics series ;},
	address = {Boston :},
	edition = {2nd edition /},
	note = {Revision of: Teaching student-centered mathematics. Grades K-3 / John A. Van de Walle, LouAnn H. Lovin. c2006.}
}