@book{15174,
	author = {Cathcart, W. George and Pothier, Yvonne M.},
	title = {Learning Mathematics in Elementary and Middle Schools:},
	publisher = {Pearson/Merril Prentice Hall,},
	year = {2006},
	address = {Upper Saddle River, NJ:},
	edition = {4th ed.},
	note = {Includes bibliographical references and index.}
}