@book{36880,
	author = {Thorndike, Robert L. and Hagen, Elizabeth P.},
	title = {Medicion y evaluacion en psicología y educación /},
	publisher = {Trillas,},
	year = {1989.},
	address = {Mexico :},
	edition = {2a ed.},
	note = {Titulo original: Measurement and evaluation in psychology and education.}
}