@book{20980,
	author = {Aslanian, Carol B.},
	title = {Improving educational evaluation methods :},
	publisher = {Published in cooperation with the Evaluation Research Society [by] Sage Publications,},
	year = {c1981.},
	address = {Beverly Hills [Calif.] :},
	url = {http://www.loc.gov/catdir/enhancements/fy0660/81014615-d.html}
}