@book{65290,
	author = {Freinet, Célestin. and Alsina, Elisenda.},
	title = {Las enfermedades escolares / },
	publisher = {Laia, },
	year = {[1972]},
	series = {Biblioteca escuela moderna ; },
	address = {Barcelona : },
	edition = {[1ª ed.].}
}