@book{114505,
	author = {Stufflebeam, Daniel L. and Shinkfield, Anthony J.},
	title = {Evaluación sistemática},
	publisher = {Ediciones Paidós},
	year = {c1987.},
	series = {Temas de Educacion},
	address = {Barcelona, España},
	note = {Translation of : Systematic evaluation.}
}