@book{221104,
	author = {Mackley, Timm. and ebrary, Inc.},
	title = {Uncommon sense},
	publisher = {Association for Supervision and Curriculum Development,},
	year = {c1999.},
	address = {Alexandria, Va. :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10115179}
}