@book{136115,
	author = {Cronbach, Lee J. and Shapiro, Karen.},
	title = {Designing evaluations of educational and social programs},
	publisher = {Jossey-Bass},
	year = {1982.},
	series = {A Joint publication in the Jossey-Bass series in social and behavioral science & in higher education},
	address = {San Francisco},
	edition = {1st ed.},
	note = {Includes indexes.}
}