@book{137028,
	author = {Snyders, Georges.},
	title = {La alegría en la escuela},
	publisher = {Editorial Paidotribo},
	year = {c1987.},
	series = {Colección Pedagogia},
	address = {Barcelona},
	edition = {1. ed.},
	note = {Translation of: La joie à l'  ́ecole.}
}