@book{73160,
	author = {Doll, Ronald C.},
	title = {El mejormiento del curriculum},
	publisher = {El Ateneo},
	year = {1974.},
	series = {Biblioteca nuevas orientaciones de la educación : Problemas de la educación preescolar y primaria},
	address = {Buenos Aires},
	edition = {2. ed.},
	note = {Translation of Curriculum improvement.}
}