@book{343731,
	author = {Royse, David. and Thyer, Bruce A.},
	title = {Program evaluation :},
	publisher = {Wadsworth Publishing,},
	year = {2000.},
	address = {[S.l.] :},
	edition = {3nd ed.},
	note = {Paperback.},
	url = {http://www.amazon.com/exec/obidos/ASIN/083041536X/chopaconline-20}
}