@book{59913,
	author = {Burkhauser, Susan. and New Leaders.},
	title = {Addressing challenges in evaluating school principal improvement efforts},
	publisher = {Rand Education,},
	year = {2012.},
	series = {Occasional paper},
	address = {Santa Monica, Calif. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10678759}
}