@book{242523,
	author = {Biosca, Genoveva. and Clavijo, Carmen.},
	title = {Cambio y diversidad en el mundo contemporáneo},
	publisher = {Institut de CieÌ<U+20AC>ncies de l<U+2019>EducacioÌ, Universitat de Barcelona},
	year = {1993.},
	series = {Materiales para la innovación educativa},
	address = {Barcelona},
	edition = {1a. ed.}
}