@book{245458,
	author = {Klenowski, Val},
	title = {Desarrollo de portafolios},
	publisher = {Narcea, S.A. de Ediciones},
	year = {2012.},
	address = {Madrid},
	edition = {4. ed.},
	note = {Subtitle on cover : para el aprendizaje y la evaluación},
	url = {http://www.loc.gov/catdir/toc/fy041/2001048585.html}
}